or else

Make haste, or (else) you'll be late.

快点, 要然就来及。

He must be teasing,or else he’s mad.

他一定是在开玩笑,然他就是疯。

And from my soul too; Or else beshrew them both.

但是我心里的话，也是我灵魂里的话；倘有虚假，让我的灵魂下地狱。

"Keep off oil, or else it will perish your rubber boots."

"要碰油,否则的橡胶鞋弄坏的。"

You must study harder (or) else you'll fail in the English examination.

必须努力学习, 然的话, 英语考试及格的。