leaps

the fish made little leaps and flips.

鱼地翻跳。

growing by leaps and bounds.

长得飞

His heart leaps up.

他的心扑通地跳。

Her heart leaps up.

她的心跳加。

productivity improved in leaps and bounds.

生产率飞猛地提高。

Production is going up in leaps and bounds.

产量飞速增长。

Her French is improving by leaps and bounds.

她的法语非常。

Jill's making excellent progress; she's coming along in leaps and bounds.

吉, 她正飞地赶上。

Our group of friends is enlarging by leaps and bounds. Toextend is to lengthen in space or time or to broaden in range, as of application:

我们的朋友圈在飞速地扩大。 extend 指加大空间、加长时间或扩大范围， 如以下应用：

My knowledge of German increased by leaps and bounds when I lived in Germany for a year.

在德国居住了一年，我的德语水平迅速提高。