re-,再，重新，gain,得到，获得。

1. She needs to regain a sense of her own worth.

她需要重新认识到自我的价值。

2. I'll have to take stock, go carefully and regain my buoyancy.

我将不得不审时度势，小心行事，同时保持乐观。

3. The fighter believes he can still regain some of his old magic.

这位斗士相信自己仍然可以恢复从前的一些魔力。

4. It took him a while to regain his composure.

他过了一会儿才恢复镇定。

5. The Russians had to dive-bomb the cities to regain control.

俄国人必须俯冲轰炸那些城市才能重新获得控制权。