Are you liking this trip?
このご旅行はお気に召しましたか(◆通例likeは進行形にできないがenjoyの意では可)
Are you OK?
だいじょうぶですか
Are you ready or not?
用意はできた?それともまだ
Are you ready to order?
(飲食店で)ご注文はお決まりでしょうか
Are you satisfied?
((略式))(いらだって)これで満足?
Are you seeing anyone particular?
今付き合っている人いる?
Are you serious?
本気か
Are you single or married?
独身・既婚のどちらですか
Are you stupid?
ばかか?
Are you suggesting (that) I have betrayed you?
私があなたを裏切ったとでも言うのか?