shāng​nǎo​jīn HSK7

rack one's brains

伤脑筋 (傷腦筋) shāng​nǎo​jīn
rack one's brains verb
to tax one's mind, find something a real headache, or beat one's brains

伤脑筋

bié zài wèi zhè jiàn xiǎo shì shāng​nǎo​jīn le.

Don't bother your head over such a trivial matter.

troublesome verb
to be a real headache or nuisance; knotty

This naughty child is a real handful.

Frequency

Movie subtitles
1.19 per million appears in 1% of films
Written text
1.21 per million

Details

HSK 2.0
Level 6
HSK 3.0
Level 7

Sources

Definitions
CC-CEDICT