为了让我安心，请检查门是否锁上了。

For my ___peace ___of ___mind, please check that the door is locked.

毕竟，成功谋生能保证安心。

After all, successfully earning your living guarantees ___peace ___of ___mind.

拥有一份全面的健康计划在不确定时期提供了必要的安心。

Having a comprehensive health plan provides essential ___peace ___of ___mind in uncertain times.