borrow trouble 自找麻烦；杞人忧天；自讨苦吃

【例句】
Do not get involved with off politics. That's borrowing trouble.
别参与办公室政治，那是自找麻烦。

We too often borrow trouble, and anticipate that may never appear.
我们太过于自寻烦恼，总想着那些决不会来临的苦恼。