应当地

They thought they should occupy their leisure more profitably.

他们觉得应当更好地利用空闲时间。

We should devote ourselves assiduously and faithfully to the duties of our profession.

我们应当勤奋地而且忠诚地献身于我们。

We should critically assimilate whatever is beneficial in literature and arts from other countries.

我们应当批判地吸收别文学艺术中一切有益西。

You should do justice to everyone.

应当公平地对待所有人。