watcher

英文解釋：

名詞 watcher:

1. a close observer; someone who looks at something (such as an exhibition of some kind)
   同義詞：spectator, witness, viewer, looker
2. a guard who keeps watch
   同義詞：watchman, security guard
3. a person who keeps a devotional vigil by a sick bed or by a dead body

英文造句：

1. A fire watcher; a China watcher.
   火災值班人; 中國觀察者
2. In his last post he was known as a clock watcher. If he comes that game here, he'll lose his job.
   他在過去的工作崗位上以老看鐘盼下班而聞名，如果他在這裡還是耍那一套，他會丟掉工作的。