1. 良好的沟通是我们成功的关键。Good communication is key to our success.《牛津词典》
2. 预计他将成为审判时的关键证人。He is expected to be the key witness at the trial.《柯林斯英汉双解大词典》
3. 我们都曾经相信工作是成功的关键。We all believed that work was the key to success.《柯林斯英汉双解大词典》
4. 该事件发生在运动的关键时刻。The incident happened at a critical point in the campaign.《柯林斯英汉双解大词典》
5. 经商的一个关键因素是责任委托。A key factor in running a business is the delegation of responsibility.《柯林斯英汉双解大词典》
6. 他成功的关键在于他的逻辑思维。The key to his success is his logical mind.《柯林斯英汉双解大词典》
7. 二十分之几克可能是关键的。A few twentieths of a gram can be critical.《柯林斯英汉双解大词典》
8. 控制板上关键仪器的设计必须要改进。The design of crucial instruments on the control panel will have to be improved.《柯林斯英汉双解大词典》
9. 他们集中讨论了关键问题。They zeroed in on the key issues.《牛津词典》
10. 他是这场运动的关键人物。He was a key figure in the campaign.《牛津词典》
11. 国外的市场越来越关键了。The foreign market was increasingly crucial.《柯林斯英汉双解大词典》
12. 他工作极其努力，这就是他成功的关键。He works extremely hard and therein lies the key to his success.《牛津词典》
13. 在这个时候速度是关键。Speed is key at this point.《牛津词典》
14. 刚讲的这一点是关键的。This last point is crucial.《牛津词典》
15. 他由于在几个关键问题上变卦而备受指责。He has been criticized for flip-flopping on several key issues.《柯林斯英汉双解大词典》
16. 他们决定在某些关键职位上聘任外来人员。They have decided to hire outsiders for some of the key positions.《牛津词典》
17. 在此情形之下，caution为关键词。'Caution' is the key word in this situation.《牛津词典》
18. 今后几个星期是关键。The next few weeks are going to be crucial.《牛津词典》
19. 战斗已到了关键时刻。The battle had reached a crucial juncture.《牛津词典》
20. 然而，他的货币理论中有很多关键性的欠缺。There were, however, a number of crucial flaws in his monetary theory.《柯林斯英汉双解大词典》
21. 信心是成功的关键。Confidence is the key to success.《牛津词典》
22. 成功的关键是准备。The key to success is preparation.《牛津词典》
23. 经济只是该国正在努力解决的几个关键问题之一。The economy is just one of several critical problems the country is grappling with.《柯林斯英汉双解大词典》
24. 法庭以起诉方拒绝出示关键证据为由推翻了那个判决。The court overturned that decision on the grounds that the prosecution had withheld crucial evidence.《柯林斯英汉双解大词典》
25. 运用新技术是我们策略的关键。The use of new technology is core to our strategy.《牛津词典》
26. 关键是不该等那么长时间才看病。The point is you shouldn't have to wait so long to see a doctor.《牛津词典》
27. 他的音乐缺乏那关键的一点想像力。His music lacked that vital spark of imagination.《柯林斯英汉双解大词典》
28. 在关键时刻他会得到我的支持的。He can rely on my support when the crunch comes.《柯林斯英汉双解大词典》
29. 现在我们谈到了争论的关键部分。Here we reach the nub of the argument.《柯林斯英汉双解大词典》
30. 要想生意兴旺，勤奋工作是关键。Hard work is the name of the game if you want to succeed in business.《牛津词典》