to appear to want to have (something); to obviously want; to seem to want; to indicate a wish for
弟がおもちゃを欲しがった。
My younger brother wanted the toy.
子供は常に新しいものを欲しがっている。
Children are always wanting something new.
人は持っていないものを欲しがるものだ。
People tend to want what they don't have.