1、retrieve

取回;找回

He reached over and retrieved his jacket from the back seat.

他伸手從后座上取回了自己的夾克。

The men were trying to retrieve weapons left when the army abandoned the island.

士兵們正試圖找回軍隊從該島撤退時留下的武器。

（計算機、大腦）檢索，搜索（信息）

Computers can instantly retrieve millions of information bits.

計算機可以立即檢索到數百萬條信息。

As the child gets older, so his or her strategies for storing and retrieving information improve.

隨著孩子們長大，他們儲存和檢索信息的能力也會提高。

使重新回到，挽回(某種局面)

He is the one man who could retrieve that situation.

他是唯一能挽回局面的人。

2、tighten

抓緊;攥緊

Luke answered by tightening his grip on her shoulder.

盧克的回應就是把她的肩頭抓得更緊了。

Her arms tightened about his neck in gratitude.

她充滿感激，把他的脖子摟得更緊了。

(對…)嚴加控制;(使)加強控制

He knows he has considerable support for his plans to tighten his grip on the machinery of central government.

他清楚有相當多的人支持他對中央政府機構加強控制的計劃。

As the regime's grip on the mainland tightened over the next few years, hundreds of thousands more people fled south.

隨著后來幾年那個政權加強對大陸的控制，又有數十萬人逃往南方。