在还没按确定前，你还来得及改变主意。

Zài hái méi àn quédìng qián, nǐ hái láidejí gǎibiàn zhǔyì.

Before you press confirm you still have time to change your mind.

最后一班车还有半个小时才到，我们现在离开还来得及坐。

Zuìhòu yì bān chē hái yǒu bàn gè xiǎoshí cái dào, wǒmen xiànzài líkāi hái láidejí zuò.

The last bus will arrive in a half hour. If we leave now we can still make it.

他还没走，现在还来得及去跟他说谢谢。

Tā hái méi zǒu, xiànzài hái láidejí qù gēn tā shuō xièxie.

He still hasn't left, there is still time to go say thank you to him.