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ADJ-GRADED
虔诚的；笃信宗教的
Someone who is pious is very religious and moral.
例句
He was brought up by pious female relatives.
他是由虔诚的女性亲属带大的。
...pious acts of charity.
虔诚的慈善行为
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ADJ-GRADED
（言辞）不可能实现的
If you describe someone's words as pious, you think that their words are full of good intentions but do not lead to anything useful being done.
例句
What we need is not manifestos of pious intentions, but real action.
我们需要的不是善意但难以实现的宣言，而是实际行动。
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ADJ-GRADED
假装虔诚的；伪善的
If you describe someone as pious, you disapprove of the fact that they pretend to be very religious without being sincere.
例句
His attitude is compassionate without being pious.
他的态度是真心实意的同情。
...an expression of pious innocence.
假装无辜的表情