"我听说美国人都很特立独行"用英语怎么说.

I've heard of most American's indepence in their activities and their strange behavior.
or:
I've heard that most Americans behave quite differently from others.

I heard that the Americans are very personal independence of conduct.

it is said that americans are unique.

I heard that Americans velue personal independence and uniqueness.

I heard that the American are all maverick.