To speak well of someone; to put in a good word for someone; to intercede on someone's behalf.
小明在公司里表现不错，同事们都愿意为他多说几句好话，算是他的齿牙余慧了。
Xiao Ming performs well at the company, and his colleagues are willing to put in a good word for him, which counts as his earned favor through good relations.
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