useful

['ju:sfəl]

adj.有用的, 有益的, 实用的

a.

1. 有用的; 有益的; 有帮助的[(+to/for/in)]

She gave us some useful information.

她给了我们一些很有用的信息。

2. 【俚】值得高度赞扬的; 对……很熟练的[(+at)]

词形变化

副词: usefully | 名词: usefulness |

词义辨析

同义:

a.有用的; 有益的

helpful  handy  serviceable  valuable  beneficial  profitable  advantageous  practical  functional  

同义参见:

advisable  good  constructive  favorable  expedient  effective  

反义:

a.有用的; 有益的

useless  ineffectual  helpless  futile  vain  

英英释义

形容词 useful:

being of use or service

同义词：utile

having a useful function

同义词：utilitarian

补充

usefuluseful英:[ˈju:sful] 美:[ˈjusfəl]adj.1.有用的, 有益的, 有帮助的He's a useful person to know.他是个应该结交的有帮助的人。Information about people's language ability is often very useful.有关人们语言能力的信息经常是很有用的。The computer is useful in processing data.电子计算机在处理资料方面很有用。It is very useful for a person to know how to swim.对一个人来说会游泳是很有用的。2.令人满意的The England cricket team scored quite a useful total.英格兰板球队得分总数令人满意。

例句

1. All this information will be useful to chief constables.所有这些信息对郡警察局局长都会有用。 2. This chapter will be useful for students and experts alike.这一章对学生及专家等都有益处。 3. Household bleach is useful for stains on white cotton and linen.家用漂白剂对白棉布及亚麻布上的污渍很有效。 4. Such tests are useful for eliminating candidates who are not up to the job.这类测试对去除不符合工作需求的人选很有用。 5. It is useful to keep a diary.记日记有用。 6. It might be useful for us to be able to get in touch with you.我们如果能够联系上你可能有用。 7. A hire car would come in useful.租一辆车会派得上用场。 8. aspirins are useful for headaches.阿司匹林治头疼有效。 9. a useful pace bowler.胜任的快投手。 10. make yourself useful—get Jenny a drink.做点好事——帮珍妮拿杯饮料。 11. a useful tool有用的工具 12. useful advice有益的建议 13. Don't throw that box away -- it might come in useful for something.不要把那箱子扔掉─也许还能派上什么用场呢。 14. a useful invention/tool/skill有用的发明/工具/技能 15. Does anyone have any useful suggestions/advice?谁有什么有益的建议？ 16. It can be useful to know CPR.了解心肺复苏术会很有用。 17. The Internet is useful for finding information quickly.互联网能有助于快速查找信息。 18. The therapy is useful as a treatment for diabetes. = The therapy is useful in treating diabetes.这种疗法对治疗糖尿病很有效。 19. She has become one of the team's most useful players.她已经成为队里最给力的队员之一。 20. Why don't you do something useful with your life?你为何不在有生之年做些有用的事呢？ 21. The data could prove (to be) useful [=people may eventually find that the data is helpful] in identifying future problems.这些数据对未来查找问题可能会很有用。 22. I found this information (to be) quite useful.我发现这个信息很有用。 23. Her pocketknife came in useful [=(more commonly) came in handy] when we needed to cut the tangled fishing line.当我们需要将打结的渔线割断时，她的小刀派上了用场。 24. I tried to make myself useful [=to be helpful; to do something helpful] by organizing his closet for him.为了能让自己帮上点忙，我整理了他的衣柜。 25. the useful life of a satellite [=the amount of time during which a satellite is in good enough condition to be used]卫星的运行寿命 26. The lessons learned from that experience can be usefully applied to the current situation.从那段经历中得到的教训可以有助于应对目前的状况。 27. She kept herself usefully employed.她保持自身在职场有用武之地。 28. He questioned the usefulness of such a device.他对这种设备是否有用持怀疑态度。