not enjoy the happy life one lives
1. 愚人总是身在福中不知福。
Fools never know when they are well off.
2. 身在福中不知福的人，会浪费时间到处喧嚷自己的人生一无是处。
Anyone who imagines that bliss is normal, is going to waste a lot of time running around shouting that he has been robbed.
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