Vocabulary: that

I'm sure you know the word 'that'. This word has many uses. One meaning, used with a negative (don't, isn't, won't, etc), is 'so' or 'very'.

Australia gets cold in the winter, but not that cold. (=Australia gets cold in the winter, but not very cold.)

Sorry I can't help you. I don't have that much time today. (=I don't really have much time today.)

A: Aaarrgh!! We're going to die!!
B: Come on. It's not that bad.

This use of 'that' is rather casual. It's not that good in formal writing. ^_^

If you use 'that' with a positive expression, it often sounds very casual. It is more common to use 'that' with a negative expression.

I think I'm going to fail; my grades are that bad! (=My grades are so bad I think I'm going to fail.)

My job has been that crazy lately! (=My job has been really busy.)

How about you? Try making a sentence with 'that'. For example, 'English study is not that...?'