He that knows not how to hold his tongue knows not how to talk. 不知缄口的不善言 He that hath time hath life. 有时间，就有生活。
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不知缄口的不善言
One who doesn't know how to keep silent is not good at speaking
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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