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to laugh at; to ridicule; to mock; to make fun of; to sneer at
失敗した者をあざ笑うのは卑怯な行為だ。
Laughing at someone who has failed is a cowardly act.
彼の提案をあざ笑った人たちが後に後悔した。
Those who mocked his proposal later came to regret it.
努力する姿をあざ笑う人の言葉は気にしなくていい。
You do not need to mind the words of people who mock your efforts.