My train leaves in a couple hours, so I’ve got to watch the time.

我的火車還有幾個小時就要開了，所以我得注意時間。

Have a bad temper:

脾氣差

例句：

I knew you have a bad temper.

早就知道你脾氣不好了。

Lose one’s temper:

脾氣暴躁

例句：

He is so laid-back. I’ve never seen him lose his temper.

他總是不慌不忙地。我從沒見他發過脾氣。

Have a short fuse:

容易發怒

例句：

I have a very short fuse and a violent temper.

我容易發怒，脾氣暴躁。