Or she will blame me for my unpunctuality.

否则她要责备我不守时了。

I've just about had enough of your unpunctuality.

你的不准时让我受够了。

Your unpunctuality crossed up the whole programme.

你的不守时刻把整个计划都打乱了。

His unpunctuality served as an excuse to get rid of him.

他的不守时成为开除他的借口。

Really! I've just about had enough of your unpunctuality.

真的！我受够了你的不守时。