1.bound to 綁定到；必定

They are bound to take time to readjust after a holiday.
他們肯定需要時間重新適應假期結束后的生活。

There are bound to be teething problems with something so new.
如此新鮮的事物剛開始必然會有些問題。

2.react to 起反應；作出反應

There'dbe no telling how John would react to such news as this.
還不知道約翰聽到這樣的消息會作何反應。

Someone allergic to milk is likely to react to cheese.
對牛奶過敏的人可能對奶酪也有不良反應。

3.plunge into 投入；跳入；投身于

He braced himself for the icy plunge into the black water.
他做好了準備要跳進冰冷的臟水里。

That peace often looked like a brief truce before the next plunge into war.
那種和平看起來常常像是再次陷入戰爭前的短暫休戰。

4.stare into 凝視

Who do you see when you stare into space?
當你望向太空你會看到誰？

Everyone knows not to stare into the sun.
每個人都知道不要凝視太陽。