He's supported the team for over ten years through thick and thin.

十多年来，在任何情况下他都支持这个队。

《牛津词典》

The fear is that the idea of sticking with another through thick and thin – the very essence of friendship and love – will come to seem absurd, uncool, meaningless.

那些不畏艰险追随某人的想法——友谊和爱的真谛——将会被认为是荒唐、不酷和无意义的，这才是需要担心的。

youdao

The future and destiny of one country is increasingly tied to that of the world. To work with each other through thick and thin serves the common interests of all countries.

一国的前途命运日益紧密地同世界的前途命运联系在一起，携手合作、同舟共济符合各国共同利益。

youdao

"I want to thank my team for standing by me through the thick and thin and this is also the best home crowd we have ever played for, " Tipsarevic said after his win in Belgrade.

CNN: Kerber emulates Graf with Paris Open triumph

The Obama campaign has stuck to the same message through thick and thin: when they were 20-plus points behind Mrs Clinton in the polls, and when they were racking up a succession of victories in February.

ECONOMIST: Lexington

Mr Serpa, the president's closest ally through thick and thin, said he would do whatever Colombian law required.

ECONOMIST: That��s this Sunday, and the run-off rivals are neck and neck