The Keystone XL pipeline has had a chequered history.

Keystone XL 输油管道项目有一段曲折的历史。

One part of my very, very chequered past I worked as a chef so I really enjoy cooking.

我去的生波折，我曾经做厨师，所以我喜。

The north London district of Kings Cross, where Google's new gaff is going, has something of a chequered past.

坐落于伦敦北部英皇十字区的谷歌新址有着一段曲折的历史。

And just, it's me and my knob, we have a bit of a chequered past.

我和我的小兄弟 我们一直挺坎坷的。