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Definitions4 characters
ku3 si1 ming2 xiang3
(idiom) to think deeply; to rack one's brains
Usage•••frequent
Pronunciations

As word

1
ku3
(idiom) to think deeply; to rack one's brains
2
si1
(idiom) to think deeply; to rack one's brains
3
ming2
(idiom) to think deeply; to rack one's brains
4
xiang3
(idiom) to think deeply; to rack one's brains