to mean business 說真的(非正式)
英文釋義
To be serious; to be committed to fulfilling a threat, promise, or plan; to be unwilling to be stopped by anything.
例句
My sister is a hard-working and sometimes ruthless executive, and when she says she wants to accomplish something, she means business.
我妹妹是位工作努力,有時(shí)很玩命的高管,當(dāng)她說要做到什么事,她是認(rèn)真的。