lou4 sam1 fu2 si1勞心苦思劳心苦思
Jyutpinglou4 sam1 fu2 si1
Yalelòuh sām fú sī
Definition
to rack one's brains
Tone guide
T1High level
T2High rising
T3Mid level
T4Low falling
T5Low rising
T6Low level
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Dictionary data from CC-Canto and CC-CEDICT, licensed under CC BY-SA 3.0.