費
盡
心
思
費
盡
心
思
Definitions4 characters one's (idiom); through
Usage•••frequent
Pronunciations
費
盡
心
思
As word
1to rack one's brains (idiom); to take great pains to think sth through
2to rack one's brains (idiom); to take great pains to think sth through
3to rack one's brains (idiom); to take great pains to think sth through
4to rack one's brains (idiom); to take great pains to think sth through
