You have to be joking.
ご冗談でしょう
You have to carry on regardless.
気にせずに続けろ
You have to register (your name) at the hotel.
ホテルで記帳のこと
You have to sell yourself at a job interview.
就職面接では売り込め
You have to submit your application before the end of this month.
今月中に申請書を提出のこと
You have 「all my support [my entire support].
ぼくは君を全面的に支持する．
You haven't been yourself lately.
近ごろどうかしているね
You heartbreaker!
（呼びかけて）無情な人，罪つくりな人
You helped me through the rough patches.
君は大変な時期を乗り越えるのを助けてくれた
You idiot!
このばかやろう
