at

介系詞

1. 1

   在、於表地點

   She is waiting for us at the station right now.

   她現在正在車站等我們。

2. 2

   在、於表時間

   The meeting will start at three in the afternoon.

   會議將在下午三點開始。

3. 3

   向、朝、對表方向或目標

   Someone threw a stone at the kitchen window last night.

   昨晚有人朝廚房的窗戶丟石頭。

4. 4

   對、對於表反應的對象

   Everyone was shocked at the news of his sudden resignation.

   大家對他突然辭職的消息都很震驚。

5. 5

   以、按表價格、速度或比率

   These shoes are now selling at half the original price.

   這雙鞋現在以原價的一半出售。