He just rehashes songs from the 60s.

他只是把60年代的歌曲稍加改编而已。

A team member rehashes, yet again, something that happened months ago.

一个团队成员做了重复的工作，这是第二次了，几个月之前就这么做过。

In boyish zeal, he rehashes the dubious British claims to have invented television and the jet engine.

他还以孩子般的热情去将令人生疑的英国人发明了电视跟喷气发动机的言论老调重弹。