英[\'ʌndə\'dʒɔ:]
美[\'ʌndəˌdʒɔ]
A strong squre underjaw is a sign of firm character.
明显的方下巴是刚毅性格的标志.
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His underjaw fell sideways open uncertainly.
他的下巴颏歪向一边,犹豫不定地咧着嘴.
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She gave the rogue a smash on the underjaw.
她朝那流氓的下巴猛击一拳.
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