The rules about hyphens are complicated and not very clear. If you are not sure, look in the dictionary, or write an expression as two separate words. Note:
a. We usually put a hyphen in a two-part adjective like blue-eyed, broken-hearted, grey-green, nice-looking.
b. When we use a group of words as an adjective before a noun, we use hyphens. Compare:
- He s out of work. an out-of-work lorry driver
It cost ten pounds. a ten-pound note
c. In groups of words where the first word is stressed, we usually put hyphens. Compare:
- ‘ book-case a paper ‘bag
‘ make-up to make’ up
… is not in accordance with the policy of the present government, which was . . .