blush [blʌʃ]

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vi.脸红，羞愧，觉得难为情；n.脸红，难为情

to become pink in the face , usually from embarrassment

His remark brought a blush into the girl's cheeks. 他的话使这姑娘两颊红晕。
I have to blush to admit that thing. 我不得不羞愧地承认了那件事。