(1) parallel lines
(2) The road and the canal are parallel to each other.
(3) a parallel case

(1) a delay of two hours/a two-hour delay
(2) There's no time for delay.
(3) Report it to the police without delay (= immediately) .

(1) the spring/fall semester
(2) By the end of the semester, I will not fear math.
(3) We are trying to pull through the toughest time of the semester.

(1) It was an inevitable consequence of the decision.
(2) It was inevitable that there would be job losses.
(3) A rise in the interest rates seems inevitable.

(1) The city is best explored on foot.
(2) They explored the land to the south of the Murray river.
(3) As soon as we arrived on the island we were eager to explore.

(1) the administration of public utilities
(2) an all-round utility player (= one who can play equally well in several different positions in a sport)
(3) Belief in the utility of higher education is shared by students nationwide...

(1) The prisoner had to be restrained by the police.
(2) They have obtained an injunction restraining the company from selling the product.
(3) He placed a restraining hand on her arm.

(1) Jones was the architect of the team's first goal.
(2) He was one of the principal architects of the revolution.
(3) ...Russia's chief architect of economic reform.

(1) prompt action was required as the fire spread.
(2) prompt payment of the invoice would be appreciated.
(3) Please be prompt when attending these meetings.

(1) He scanned the horizon for any sign of land.
(2) She scanned his face anxiously.
(3) I scanned the list quickly for my name.

(1) They'll be offended if you don't go to their wedding.
(2) Neil did not mean to offend anybody with his joke .
(3) A TV interviewer must be careful not to offend.

(1) application/system software
(2) design/educational/music-sharing, etc. software
(3) to install/run a piece of software

(1) policies to promote economic growth
(2) a campaign to promote awareness of environmental issues
(3) The band has gone on tour to promote their new album.

(1) a ban on the importation of ivory
(2) customs imported from the West
(3) goods imported from Japan into the US

(1) exercises to develop the flexibility of dancers' bodies
(2) [不可数名词]Computers offer a much greater degree of flexibility in the way work is organized.
(3) flexible plastic tubing

(1) a speech defect
(2) a defect in the glass
(3) There have been several defections from the ruling party.

(1) Fish are abundant in the lake.
(2) We have abundant evidence to prove his guilt.
(3) Birds are abundant in the tall vegetation.

(1) I owe you a great debt of gratitude (= feel extremely grateful) .
(2) a deep sense of gratitude
(3) She was presented with the gift in gratitude for her long service.

(1) He makes unpredictable, arbitrary decisions.
(2) the arbitrary powers of officials
(3) The leaders of the groups were chosen arbitrarily.

(1) safety precautions
(2) precautions against fire
(3) You must take all reasonable precautions to protect yourself and your family.

(1) the internal organs
(2) the sense organs (= the eyes, ears, nose, etc.)
(3) the sexual/reproductive organs

(1) plants that are resistant to disease
(2) Elderly people are not always resistant to change.
(3) disease-resistant plants

(1) a moral issue/dilemma/question
(2) traditional moral values
(3) a decline in moral standards

(1) a nuclear power station
(2) the nuclear industry
(3) nuclear-powered submarines

(1) He laughed coarsely at her.
(2) coarsely chopped onions (= cut into large pieces)
(3) coarse manners/laughter

(1) What a splendid idea!
(2) We've all had a splendid time.
(3) splendid scenery

(1) The proposal has generated a lot of interest.
(2) to generate income/profit
(3) We need someone to generate new ideas.

(1) The human brain needs to be without oxygen for only four minutes before permanent damage occurs.
(2) They loaded themselves with food, medical supplies, and oxygen equipment.
(3) He took the dogs for an airing.

(1) a fox with its leg in a trap
(2) A trap was laid, with fresh bait.
(3) She had set a trap for him and he had walked straight into it.

(1) a bomb/nuclear/gas explosion
(2) There were two loud explosions and then the building burst into flames.
(3) Bomb Squad officers carried out a controlled explosion of the device.

(1) You deserve a rest after all that hard work.
(2) The report deserves careful consideration.
(3) One player in particular deserves a mention.

(1) Young children will usually compete for their mother's attention.
(2) Small traders cannot compete in the face of cheap foreign imports.
(3) He's hoping to compete in the London marathon.

(1) learning by repetition
(2) We do not want to see a repetition of last year's tragic events.
(3) Today the city government has taken measures to prevent a repetition of last year's confrontation...

(1) The journey soon became tedious.
(2) We had to listen to the tedious details of his operation.
(3) Such lists are long and tedious to read.

(1) the ebb and flow of the tide
(2) The tide is in/out .
(3) Is the tide coming in or going out?

(1) tourists from every corner of the globe
(2) ...a globe of the world...
(3) Three large globes stand on the floor.

(1) Do be careful, for goodness' sake.
(2) Oh, for heaven's sake!
(3) For pity's sake, help me!

(1) to retain your independence
(2) He struggled to retain control of the situation.
(3) The house retains much of its original charm.

(1) a change of career
(2) That will be a good career move (= something that will help your career).
(3) a career soldier/diplomat , etc. (= a professional one)

(1) The submarine had had time to submerge before the warship could approach.
(2) The fields had been submerged by floodwater.
(3) Doubts that had been submerged in her mind suddenly resurfaced.