Image of a hand 一 forearm 丨 and pulse 丶. It was originally also the distance of one inch (Length: 1 ts'wun = 3.72 cm) from the hand's palm to the pulse. This also stood for a small amount. In the mnemonic, it is used as "skillful hand".
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Vocabulary
胳臂肘儿
gē bei zhǒur
elbow
6439
变生肘腋
biàn shēng zhǒu yè
lit. calamity in one's armpit (idiom); a major coup happening on one's doorstep; trouble or danger in one's own backyard
7687
胳膊肘朝外拐
gē bo zhǒu cháo wài guǎi
the elbow turns the wrong way; to favor an outsider instead of someone on one's own side (idiom)
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