aim at的用法和短語

aim還可作動詞，意思有力求達到;力爭做到;目的是;旨在;瞄準;對準。常與介詞at/for連用，固定搭配爲be aimed at或者aim for sb/sth。

例句：

Businesses will have to aim at long-term growth.

企業必須以長期增長爲目標。

It is wrong to aim at sheer quantity at the expense of quality.

片面地追求數量而犧牲質量是錯誤的。

Why not provide some positive goals for students and teachers to aim at?

爲什麼不爲學生和老師提供一些積極的目標呢？