The only time in 13 years that he came home from work without a great big smile on his face was the day a co-worker died in a tragic auto accident.
13年来，他只有一次在下班回家时脸上没有带着灿烂的微笑，因为那天他的一位同事在一场悲惨的车祸中丧生了。

Many of my co-workers agree that our manager uses an iron hand in a velvet glove.
我的许多同事一致认为我们经理外柔内刚。

This man harasses his female co-workers.
这个人骚扰他的女同事。

Luckily, i was companied by two of my co-workers.
很幸运，我有两名同事相伴。

Is it a bad idea to date a co-worker?
跟同事约会是不好的主意嘛？