What matters is ....
重要なことは…
What name shall I say?
どちら様でしょうか(◆人を取り次ぐときの表現)
What nationality are you?=What is your nationality?
国籍はどちらですか
What nonsense [a fool]!
何とばかげた[ばかな]!
What offense is he in for?
彼は何の罪で入所しているのですか
What options are open to us?
我々の取りうる選択肢は?
What parties are in control?
どの党が政権をとっていますか
What passed between you?
あなた方の間で何があったのですか
What percentage of students graduate in four years?
何割の学生が4年で卒業しますか
What percentage of the population is [are] over the age of 65?
65歳以上が人口に占める割合は?