"The lavatory won't flush; I've tried flushing it several times, but it won't work."

"厕所还是塞,我已经试过用水冲好几次,但没有。"

The worker quickly cleared away the dirt that was choking up the chimney.

工人很快就把塞烟囱的污垢清除干。

His throat congested with phlegm.

他的喉咙被痰塞。

The sewage channel chokes.

这条污水道塞。