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。

编辑:Liuxuepaper.Com