míng​sī​kǔ​xiǎng

to rack one's brains

冥思苦想 míng​sī​kǔ​xiǎng
to rack one's brains
to think long and hard about something; to consider a problem from all angles; to ponder deeply or rack one's brains

Frequency

Written text
0.378 per million

Cross-References

Same as

Sources

Frequency data
BCC Corpus (BLCU)