are few / little~~ (い adj. Not generally used before nouns)
somethingが/は ほしい(ん)です。
want [something] (い adj. は often replaces が when ほしい is negated. ん is often inserted when one wants to explain to the listener what one wants. Not used when addressing superiors. Not used when one wants to DO something)
たいへん
is hard, difficult (な adj. Used in situations which are psychologically burdensome)
