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- 他愉快地跟我们打招呼。
He gave us a cheery greeting.
- 他虽然表面上很有礼貌地同他同事打招呼，但心里却充满了妒忌。
He greeted his companion politely enough, but inside he was smouldering with jealousy.
- 他向他的朋友打招呼。
He saluted his friend.
- 他穿过人群向我们打招呼。
He made his way through the crowd to greet us.
- 她向我们点点头打招呼。
She greeted us with a nod of the head.
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