act

/ækt/ n. / v.
标准词条 CET-4 词根 act
一句话记住

行为；行动；行动；表现；表演

释义与例句

n. 行为；行动
a particular thing that somebody does
  1. Helping the lost child was a simple act of kindness.
    帮助那个迷路的孩子是一个简单的善举。
  2. The new law makes this kind of act a criminal offence.
    新法律把这种行为定为刑事犯罪。
展开其余 1 条例句
  1. She was praised for her brave act during the fire.
    她因在火灾中的勇敢行为而受到表扬。
v. 行动；表现；表演
to do something, behave in a particular way, or perform in a play or film
  1. We must act quickly before the situation gets worse.
    我们必须迅速行动，以免情况恶化。
  2. He acted calmly even when everyone else was panicking.
    即使其他人都惊慌失措，他仍表现得很冷静。
展开其余 1 条例句
  1. She acts in a local theatre group at weekends.
    她周末在当地一个剧团演出。

词源与构词

act 词根 · to do，做
记忆钩子 act 作名词时常与 of 搭配，如 an act of courage；作动词表示“充当”用 act as。

词族与关联词

同根词（同一个词根长出来的词）
  • action 行动；措施
    The government promised action to reduce air pollution. 政府承诺采取行动减少空气污染。
  • active 积极的；活跃的；起作用的
    Regular exercise helps older people stay active. 经常锻炼有助于老年人保持活力。
  • activity 活动；活跃状态
    The centre offers outdoor activities for children of all ages. 该中心为各年龄段儿童提供户外活动。
  • actor 演员
    The actor spent months learning the accent for his role. 这位演员为了角色花了数月学习那种口音。
  • actress 女演员
    The actress prepared for the role by interviewing real nurses. 这位女演员通过采访真正的护士来为角色做准备。
  • actual 实际的；真实的
    The actual cost of the repairs was much higher than the estimate. 实际维修费用比估价高得多。
  • actually 实际上；其实；竟然
    The task looks difficult, but it is actually quite simple. 这项任务看起来很难，但其实相当简单。
  • exact 精确的；确切的；完全相同的
    The exact cause of the failure has not yet been established. 故障的确切原因尚未确定。
  • interact 互动；交流；相互作用
    Students interact with each other through online discussions. 学生通过在线讨论相互交流。
  • react 反应；回应
    How did she react to the news? 她对这个消息有什么反应？
词族（同一词根派生出的不同词性或形式）
  • action 行动；措施
    act 对应的名词，常指为达到目的而采取的具体行动。
  • active 积极的；活跃的
    可形容人积极参与，也可形容某物处于活动或运行状态。
同义词
  • deed 行为；事迹
    act 泛指一个行为，语气中性；deed 较正式，常指值得注意的好事或坏事。
    His good deeds earned him the respect of the whole village. 他的善行赢得了全村人的尊敬。
常见搭配
  • act of kindness 善举
    A small act of kindness can brighten someone's day. 一个小小的善举可以让他人的一天变得美好。
  • act quickly 迅速行动
    The firefighters acted quickly to bring the blaze under control. 消防员迅速行动，控制住了大火。
  • act as 充当；担任
    A senior student will act as our guide during the visit. 参观期间，一名高年级学生将担任我们的向导。