vt.承认, 告知收到, 公认, 表示感谢, 注意到
He is unwilling to acknowledge defeat.
I was compelled to (ie I had to) acknowledge the force of his argument.
I passed her in the street but she didn't even acknowledge me when I smiled.
She is acknowledged as the best tennis-player in the world.
I acknowledge that her criticism is just.
The candidate waved his hands to acknowledge the cheers of the crowd.
I acknowledged her letter at once.
Stella didn't even acknowledge me when I waved a greeting.