doesv.做；工作；有用（动词do的第三人称单数形式）n.母鹿；雌兔（名词doe的复数形式）Does he often forget?闭塞继电器Does he tend to lose?嘲弄(某人)Does this dress wash?使某人获得自由Does he need pyjamas?n.先接后离Does Not Succeed Or Equal不后于或等于Does he want his toy?vt.熟练(精通；能运用自如)Does he need to know?直接提到Does the cat scratch?发出咝咝作声的声音。Does she have a bike?按照相同标准判断,强求一致Does this light work?向 ... 说明

1. What can I do for you, sir?
   先生，您需要什么？
2. The last punch did for him.
   最后的一拳击败了他。
3. I did for her while she was sick.
   她生病时，我照料她。
4. Is there anything I can do for you?
   我能帮点什么忙吗?