伤脑筋

伤脑筋 [shāng nǎo jīn]

1. ■ cause sb. enough headache; knotty; troublesome; bothersome:

伤脑筋的问题 a knotty problem; headache;

风总是这么刮, 真伤脑筋。 It is a nuisance the way it keeps on blowing.

这事真伤脑筋。 It's rather troublesome.

他为这些事大伤脑筋。 He puzzled his brains about the matter.