boost

/buːst/

to improve or increase something

改善;提高;增强;推动

原义指从后面或下面推起或提高，现常用于指提高价格、振作精神等抽象概念。

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The rocket boosts the astronaut into space.

这火箭能把宇航员送入太空。

The theatre managed to boost its audiences by cutting ticket prices.

剧院设法通过降低票价来增加观众数量。

I tried to boost his ego (= make him feel more confident) by praising his cooking.

我赞扬他的厨艺，试图以此增强他的自信心。