The pipe has got a leak.

管子上有一道裂缝。

a gas leak

煤气泄漏

The rain is still leaking in.

雨水还在往里漏。

The tank had leaked a small amount of water.

水箱渗出了少量的水。

leak the news

走漏消息

Details of the plan soon leaked out.

计划的细节很快就泄露出去了。