or在词中一般念[ɔ:]，如lord[lɔ:d]；在词尾一般念[ə]，如如director[di'rektə]；特殊发音：door[dɔ:]，or[ɔ:]，for[fɔ:]等，但是特殊的很少，没有几个，单独记忆就可以。

Everyone benefited from limiting their intake of tea to just three or four cups a day每天只喝三四杯茶对身体有益。

2、The man was a fool, he thought, or at least incompetent他想道，那人是个傻瓜，或者说，至少很无能。

3、She had to have the operation, or she would die.