1. 來：DOEB 出去 | doer 来 | DOS 你

2. 行为人：dodger 桥楼围屏 | doer 行为人 | dog back 顶住门

1. 实干家;身体力行者
If you refer to someone as a doer, you mean that they do jobs promptly and efficiently, without spending a lot of time thinking about them.

e.g. Robertson was a doer, not a thinker.
罗伯逊是位实干家,不是空想家。

noun

1. a person who acts and gets things done

e.g. he's a principal actor in this affair
when you want something done get a doer
he's a miracle worker

Synonym: actorworker