mora 成语

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on moral grounds

based on what is right and wrong We refuse to accept money from drug dealers - on moral grounds.

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Moral fibre

Moral fibre is the inner strength to do what you believe to be right in difficult situations Example He lacked the moral fibre to be leader (In American English the correct spelling is 'fiber'.)

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Moral high ground

If people have/take/claim/seize, etc, the moral high ground, they claim that their arguments, beliefs, etc, are morally superior to those being put forward by other people.

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commemoration

commemoration
in commemoration of
in honor of the memory of

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moral support

moral support
Emotional or psychological backing, as opposed to material help. For example, There's not much I can do at the doctor's office, but I'll come with you to give you moral support. [Late 1800s]