吐苦水

tǔkúshuǐ

pour out one's grievances (or bitterness)

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tu3 ku3 shui3

to have bitter digestive fluids rising to the mouth, fig. to complain bitterly, to pour out one's sufferings

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吐苦水|吐苦水 [tǔ kǔ shuǐ] ► to have bitter digestive fluids rising to the mouth ► fig. to complain bitterly ► to pour out one's sufferings