Chinese

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high and low; from top to bottom
his; her; its
his; her; its; theirs; that; such; it (refers to sth preceding it)
 
hand; convenient; ‑er
simp. and trad.
(上下其手)
上下
Literally: “to raise and lower one's hand”.

Pronunciation

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Idiom

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上下其手

  1. to practice fraud; to manoeuvre for some evil end; to get up to tricks
  2. to signal as conspiratorial hint
  3. (neologism, misinterpretation of the original) to sexually harass by groping