Their accounts of what happened don't hang together.

他们各人对事情的描述不吻合。

What he said was self-contradictory.; What he said didn't hang together.

他讲话前后不符。

We must all hang together.

我们必须团结一致。

Can the third generation hang together?

第三代领导集体能团结一致吗？

The two joints hang together pretty well.

这两个接头衔接得很好。