兄弟阋于墙，外御其侮
internal disunity dissolves at the threat of an invasion from outside (idiom)
Traditional: 兄弟鬩於墻，外禦其侮
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📖 Additional Information
English Phonetic:
'idiәm
Detailed Definition:
n. an expression whose meanings cannot be inferred from the meanings of the words that make it up