"If you have time to worry about it, why don't you look it up?"
- "If you have time to worry about it, why don't you look it up?"
"if you have ~" 「〜があったら」
"time to worry about it" 「悩む暇」"time to worry" も言えます。
"why don't you ~?" 「〜したら?」
"look it up" 「検索」