I didn't exactly knock his socks off, did I?他好像對我不感冒，是吧

knock one's socks off:對某人大吃一驚

Tracy"s sudden marriage knock my sock off .

特雷西的閃電結婚使我感到震驚.

I'm gonna buff up and knock her socks off!

我要去練一身肌肉,讓她刮目相看!

Well, if you change your mind, here's my card.改主意的話請聯系我，這是我的名片

change one's mind:改變主意

She is constantly changing her mind.

她經常改變主意。

Two days later he changed his mind.

兩天后他改變主意了。

There are dozens of potentials here that I can be talking to.這兒能商談的潛力股多得是

dozens of:幾十

She buy a dozen of egg in the market.

她在市場上買了一打雞蛋。

We have dozens of things to do now.

我們現在有很多事要做。

dozen用法：a dozen of修飾名詞時of可省略,但dozens of中的of不能省去。

There were half a dozen foxes skulking in the undergrowth.

在林下灌叢中潛伏著五六只狐貍。