or
单词辨析：
用于表示否定条件，指如果不做某事，就会发生不好的事，含告诫、威胁之意，语气强于 or。
Do it now, otherwise you'll be fired.
现在就做，否则就解雇你。
Hands up, otherwise you will be shot.
举起手来，否则就毙了你。
Put your coat on, otherwise you'll catch a cold.
穿上外套，不然你会感冒的。
词义同 otherwise，但语气较弱，多用于口语，也可与 else 合用。
Get away, or (else) I'll call the cops.
滚开，不然我就打电话叫警察了。
Hurry up or (else) we'll be late.
抓紧时间，不然的话我们就要迟到了。
相关例句：
I think I have got to stop or I might turn into a machine
我想我得停下来了，否则我就会变成一台机器。
Spread the inside of the loaf with olive paste or pesto sauce for extra flavour
在面包里面涂些橄榄酱或香蒜酱会更好吃。
A painter may exaggerate or distort shapes and forms
画家可能会对线条和形状进行夸大或扭曲。
He said he would try to write or call as soon as he reached the Canary Islands
他说他一到加那利群岛就会设法写信或者打电话来。
Open up, or I break in!
把门打开，不然我要砸门了！
I was meeting these chaps who were mostly more or less my own age.
我见到了这帮小伙子，他们多数和我年龄相仿。