shāngnǎojīn
knotty; troublesome; bothersome
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shāng nǎo jīn
adj. knotty, troublesome, bothersome
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shang1 nao3 jin1
knotty, troublesome, bothersome
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傷腦筋|伤脑筋 [shāng nǎo jīn] ► knotty ► troublesome ► bothersome
Chinese-English dictionary. Academic. 2013.