形容词
1. He is an assistant cook.
他是个助理厨师。
2. The horse is an animal assistant to man.
马是对人类有帮助的动物。
名词
1. He worked as an assistant to the President.
他当过总统助理。
1. 助教：另外,还有reader,在英国大学里也是讲师,但在美国的大学里只是教授的助手,帮助教授改考试卷子等(correct examinations, themes, etc, for a professor )的人,即我们通常称为助教(assistant)的人.
2. 助剂：环氧粉末涂料的配制是由环氧树脂(EpoxyResin)、固化剂(curingagent)、颜料(pigment)、填料(filler)和其它助剂(assistant)所组成. 这几种组分对所形成的粉末涂层性能的贡献是互相制约和影响的,一个适宜的配方,实际上是各种组分协调的结果.
1. （用于头衔或职务前，表示级别略低）助理的，副的
Assistant is used in front of titles or jobs to indicate a slightly lower rank. For example, an assistant director is one rank lower than a director in an organization.
e.g. ...the Assistant Secretary of Defense.
助理国防部长
e.g. ...a young assistant professor at Harvard.
年轻的哈佛助理教授
2. 助手;助理;副手
Someone's assistant is a person who helps them in their work.
e.g. Kalan called his assistant, Hashim, to take over while he went out...
考兰叫助理哈希姆在自己外出时代理其职。
e.g. The salesman had been accompanied to the meeting by an assistant.
营销人员在助手的陪同下参加了会议。
3. 店员；售货员
An assistant is a person who works in a shop selling things to customers.
e.g. The assistant took the book and checked the price on the back cover...
店员拿起书，核对了一下封底的定价。
e.g. She got a job as a sales assistant selling handbags.
她得到了一份手提包售货员的工作。