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wanting (to have); desiring; wishing for
I want (you, them, etc.) to (do)
新しい靴が一足欲しい。
I want a pair of new shoes.
もっと時間が欲しかったなあ。
I wish I had had more time.
欲しいものがあったら遠慮なく言ってね。
If there's something you want, don't hesitate to say so.