(1) a species of insect previously unknown to science
(2) He was trying, for some unknown reason , to count the stars.
(3) The man's identity remains unknown.

(1) a career in nursing
(2) nursing care
(3) the nursing profession

(1) I'd like to know the reason why you're so late.
(2) We aren't going for the simple reason that we can't afford it.
(3) She gave no reasons for her decision.

(1) an unpleasant experience
(2) The minerals in the water made it unpleasant to drink.
(3) He was very unpleasant to me.

(1) It hurt me to think that he would lie to me.
(2) I didn't want to hurt his feelings .
(3) I'm sorry, I didn't mean to hurt you.

(1) (British English)My car does 35 miles to the gallon.
(2) (North Amercian English)My car gets 35 miles to the gallon.
(3) a 20-mile drive to work

(1) Take your time─there's no hurry.
(2) In my hurry to leave, I forgot my passport.
(3) What's the hurry ? The train doesn't leave for an hour.

(1) They had asked hong kong for permission to put into port there.
(2) The 1950s were the decade of hong kong's industrial take-off.
(3) The Regent hotel has a superlative view of hong kong island.

(1) the City of London's financial district
(2) a tax/postal district
(3) a school district

(1) a walking/sightseeing, etc. tour
(2) a coach tour of northern France
(3) a tour operator (= a person or company that organizes tours)

(1) a sense of relief
(2) We all breathed a sigh of relief when he left.
(3) She sighed with relief.

(1) a red car
(2) The lights (= traffic lights) changed to red before I could get across.
(3) Her eyes were red from crying.

(1) He's far too young to go on his own.
(2) This is too large a helping for me/This helping is too large for me.
(3) Is it too much to ask for a little quiet?

(1) The club has moved its meeting to saturday, January 22nd.
(2) He easily overcame Garcia, saturday's conqueror of Ernie Els.
(3) I've asked Mum to sit for us next saturday.

(1) I'm telling you this with my lawyer's hat on, you understand.
(2) I'm wearing two hats tonight─parent and teacher.
(3) to put on/take off a hat

(1) Food is less expensive in a cafeteria, because you serve yourself.
(2) All employees shall have meal in the cafeteria.
(3) Let's get a bite to eat in the cafeteria.

(1) a married man/woman
(2) Is he married?
(3) a happily married couple

(1) The shares gained 14p to 262p.
(2) The euro gained against the dollar again today.
(3) At last she gained the shelter of the forest.

(1) seventy people were killed.
(2) It's a long way to go for two people in their seventies.
(3) In the late Seventies, things had to be new, modern, revolutionary.

(1) a peach tree
(2) ...the romantic Tower Suite, decorated throughout in peach and ivory.
(3) ...a peach silk blouse.

(1) The aim is to give people more power over their own lives.
(2) He has the power to make things very unpleasant for us.
(3) to have sb in your power (= to be able to do what you like with sb)

(1) both women were French.
(2) both the women were French.
(3) both of the women were French.

(1) She was chosen for the job on the basis of her qualifications.
(2) Some videos have been banned on the basis that they are too violent.
(3) on a regular/permanent/part-time/temporary basis

(1) We made a tentative arrangement to meet on Friday.
(2) tentative conclusions
(3) a tentative greeting

(1) She was standing beside my bed staring down at me...
(2) They told me to stand still and not to turn round...
(3) Becker stood and shook hands with Ben.

(1) crimes/acts/threats of violence
(2) He condemned the protesters' use of violence against the police.
(3) domestic violence (= between family members)

(1) Virtual fitting room is a realtime interactive platform used in electronic business affairs of garments.
(2) Where's the fitting room, please?
(3) The fitting room is over there.

(1) the voters' identification of the Democrats with high taxes
(2) their increasing identification with the struggle for independence
(3) Can I see some identification, please?

(1) an awards/opening ceremony
(2) a wedding/marriage ceremony
(3) Please don't stand on ceremony (= Please be natural and relaxed) with me.

(1) The child is developing normally.
(2) The place has rapidly developed from a small fishing community into a thriving tourist resort.
(3) She developed the company from nothing.

(1) Stop biting your nails!
(2) nail clippers
(3) She hammered the nail in.

(1) They keep a list of people (who are) willing to work nights.
(2) I'm perfectly willing to discuss the problem.
(3) willing helpers/volunteers

(1) business goals and targets
(2) attainment targets
(3) Set yourself targets that you can reasonably hope to achieve.

(1) unfortunately, I won't be able to attend the meeting.
(2) I can't make it, unfortunately.
(3) unfortunately for him, the police had been informed and were waiting outside.

(1) A good diet is beneficial to health.
(2) Using computers has a beneficial effect on children's learning.
(3) ...vitamins which are beneficial to our health...

(1) [不可数名词]to find true happiness
(2) That wasn't the happiest choice of words.
(3) He is in the happy position of never having to worry about money.

(1) At the roundabout, take the second exit.
(2) It was a difficult and roundabout trip.
(3) He told us, in a very roundabout way, that he was thinking of leaving.

(1) There is, in addition, one further point to make.
(2) Pasta's basic ingredients are flour and water, sometimes with the addition of eggs or oil.
(3) In addition to these arrangements, extra ambulances will be on duty until midnight.

(1) The city is a mixture of old and new buildings.
(2) We listened to the news with a mixture of surprise and horror.
(3) cake mixture

(1) Domestic chickens are descended from jungle fowl of Southeast asia.
(2) The countries of South asia also share many common values.
(3) It has become a cliche to describe asia-Pacific as the world's most dynamic economic area.