1. A close mouth catches no flies.
病从口入,祸从口出。
2. A cock is valiant on his own dunghill.
夜郎自大。
3. A common danger causes common action.
同仇敌忾。
4. A constant guest is never welcome.
久住非佳宾,常来不欢迎。
5. A contented mind is perpetual feast.
知足常乐。
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