You gave me such a fright!
びっくりさせないでよ！
You get a lot of young people in this town.
この町には若者がたくさんいる
You got it!
そのとおり
You greedy pig!
この食いしん坊！
You had better not be late tomorrow.
あすは遅刻してはいけない
You had better see a doctor.
医者に診てもらったほうがいい［診てもらいなさい］
You have (only) yourself to thank for it.
そいつは君の自業自得さ
You have a good reason to be worried.
心配するのはもっともです
You have a lot [everything] going for you
君は何もかも備えているじゃないか
You have a point there.
それは一理ある
