异常 in English:

It is abnormal to eat so much.

Environmental pollution is causing abnormal weather conditions.

This warm weather is abnormal for February.

I don't want to have children. Is that abnormal?

That's highly abnormal behaviour.

He's abnormal behaviour attracted the attention of the police patrol.

A phobia is a very strong and abnormal fear or dislike of something.

I sometimes have abnormal vaginal bleeding.

It's abnormal to have the heart on the right side.