Mash the beans to a paste.

把豆子捣成泥。

She had opened a tin of beans.

她开了一罐豆子。

Soak the beans overnight in water.

把豆子浸泡在水里一整夜。

The two kinds of beans were mixed up.

两种豆子掺混在一起了。

She soaked the beans before cooking them.

她把豆子浸泡后才煮。