once and for all
一勞永逸; 一次解決所有問題
口語·表達最終決定或解決
英文釋義
finally and decisively; to resolve or settle something permanently
例句
Let's settle this argument once and for all so we can move on.
典故來源
源自拉丁語“semel et semper”,強調一次性徹底解決問題。