(1) I don't want to become a burden to my children when I'm old. (2) They have burdened themselves with a high mortgage. (3) I don't want to burden you with my worries.
(1) Entertains the most high hope. for the greatest endeavor. makes the worst plan. (2) But make no mistake: This cannot solely be America's endeavor. (3) Please give me enough time make every effort and allow of my endeavor and its result.
(1) a colleague of mine from the office (2) We were friends and colleagues for more than 20 years. (3) the Prime Minister and his Cabinet colleagues
colleague [ˈkɒli:g] 📢 UK📢 US
n.功能，作用；应变量，函数；职务；重大聚会； vi.有或起作用；行使职责；
n.同事；同僚；同行；
n.角，触角；号角，喇叭；角质；角状物； vi.不请自来；闯入；
n.装置，设备；方法；策略；手段；
(1) It was no hardship to walk home on such a lovely evening. (2) economic/financial, etc. hardship (3) People suffered many hardships during that long winter.
(1) The concert will raise money for local charities. (2) Most of the runners in the London Marathon are raising money for charity . (3) Do you give much to charity?
(1) Fax machines were a wonderful invention at the time. (2) Such changes have not been seen since the invention of the printing press. (3) This story is apparently a complete invention.
(1) You'll have the opportunity to ask any questions at the end. (2) There was no opportunity for further discussion. (3) At least give him the opportunity of explaining what happened.
(1) I'm afraid this essay is a poor effort. (2) the United Nations' peacekeeping effort (3) The local clubs are making every effort to interest more young people.
(1) The patient recognized one of the women as the apparition she had seen. (2) ...these apparitions of the Virgin. (3) Vanish in dark, the empty apparition!
(1) The captain knew there was an engine fault but didn't want to alarm the passengers. (2) A car alarm went off in the middle of the night (= started ringing) . (3) The alarm went off at 7 o'clock.
alarm [əˈlɑ:m] 📢 UK📢 US
adj.快乐的，愉快的；同性恋的；艳丽的，华丽的；放荡的，无法无天的； n.同性恋者（尤指男性）；
n.惊恐；警报；闹铃；动员令； vt.使惊恐；警告；给（门等）安装警报器；
vt.修理；纠正；恢复；弥补； n.修理；修理工作；维修状态；经修理的东西；
vt.声称；断言；需要；索取； vi.提出要求； n.（根据权利而提出的）要求；声称；断言；索赔；
(1) a blunt knife (2) This pencil's blunt ! (3) The police said he had been hit with a blunt instrument .
(1) The hospital is recognized as a centre of excellence in research and teaching. (2) a reputation for academic excellence (3) ...a school once noted for its academic excellence.
excellence [ˈeksələns] 📢 UK📢 US
n.小屋，村舍；（农舍式的）小别墅；（郊外的）新式住宅，（大院内的）单幢住宅；乡下房子，小房子；
n.作文，作曲；创作；构图，布置；妥协，和解；
n.办公室；公职；（政府部门的）部；有特定用途的房间[建筑物]；
n.优秀，卓越；优点；美德；
(1) He punched me with his fist. (2) She clenched her fists to stop herself trembling. (3) He got into a fist fight in the bar.
(1) His later years were devoted largely to charitable work . (2) Let's be charitable and assume she just made a mistake. (3) Try to think about him a little more charitably.
(1) equipment to lighten the load of domestic work (2) The measures will lighten the tax burden on small businesses. (3) The sky began to lighten in the east.
(1) I got the fright of my life . (2) The birds took fright and flew off. (3) You gave me a fright jumping out at me like that.
fright [fraɪt] 📢 UK📢 US
adj.跛腿的，残废的；
n.恐怖；惊吓；可怕的东西，难看的人； v.使惊恐；
n.农作物；产量；庄稼；平头； vt.种植；收割；修剪；剪短； vi.收成；收获；
n.薄雾；视线模糊不清；液体喷雾； vt.（使）蒙上薄雾；（使）模糊； vi.下雾；变模糊；
(1) After her mother's death, she became acutely aware of her own mortality. (2) the infant mortality rate (= the number of babies that die at or just after birth) (3) mortality from lung cancer is still increasing.