欢迎访问贝贝英语网！
secretary n. 秘书
eg : My sister is a secretary in Engineering Company .
secretary general 秘书长，总书记
secret adj./n. 秘密的/秘密
---secret agent 特务间谍
weak adj. 弱的 （weaker , weakest ）
⑴身体虚弱
His legs felt weak .他觉得两腿发软。
⑵缺乏热情
a weak smile 淡淡的微笑
---weak at the knees （因疾病，激动等）两腿发软
---weak link 薄弱环节
weakly adv. 虚弱地，软弱无力地
She smiled weakly at them .
他软弱无力地嘲他们笑了笑。
weakness n. 软弱，虚弱
Can you spot the weakness in her argument ?
你能指出他论文中的不足之处吗？
be nervous about /of sth
eg:He is nervous about the future .他对未来非常忧虑。
He had been nervous about inviting us .他过去一直不敢邀请我们。
The horse may be nervous of the car .这匹马可能害怕汽车。
