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
You have done more than enough.
君は十二分にやった
You have doubtless seen it.
君はたぶんそれを見ているね
You have every right to complain.
文句を言って当然だ
You have [You've got] me there.＝There you have (got) me.＝((略式))Got me.
（その点では）負けたよ，（答えられず）やられた［参った］な
You have no business saying [to say] anything.
君には何も言う権利はない
