The earthquake caused many buildings to collapse.

地震导致许多建筑物倒塌。

The fireman collapsed from smoke inhalation.

救火员因吸入烟而不支倒地。

The negotiations collapsed when no agreement could be reached.

因协议不成而使谈判破裂。

This cot collapses so that it can be stored easily.

卧床可摺叠而易于收藏。

The man's collapse was caused by overwork.

那人因工作过度而累倒了。