warned,warn.ing,warns

v.tr.（及物動詞）

To make aware in advance of actual or potential harm, danger, or evil.

警告：在真實或可能的危害、危險或邪惡到來之前使知曉

To admonish as to action or manners.

告誡：對行為或禮節等的告誡

To notify (a person) to go or stay away:

通知（某人）離開或呆在一旁：

warned them off the posted property.

通知他們不要去碰登記過的財產

To notify or apprise in advance:

預告：預先通知或告訴：

They called and warned me that they might be delayed.

他們打來電話，預先告訴我他們可能耽擱一會兒

v.intr.（不及物動詞）

To give a warning.

發出警告

warn sb. of/about sth：就（啥啥事兒）而警告誰誰誰；

warn sb (not) to do sth：是“警告誰誰誰不要做啥啥啥”；

warn sb. + that 從句：意為“警告某人說……（說的話）”。