It'll bring him to his bearings.
それで彼は立場を悟るだろう
It'll cost you.
((略式))高くつくよ
It'll keep.
あとにしよう
It'll probably take, say, a thousand years to populate the solar system.
太陽系に人が住めるまで，まあ千年はかかるでしょう
It'll ruin my whole day.
お陰で１日丸つぶれだ
It's (been) ages [an age] since I saw you last.
ずいぶん長いこと会わなかったねえ
It's (all) Greek to me.
((略式))それは私にはちんぷんかんぷんだ
It's (a) quarter to eleven.
１１時まであと１５分［１０時４５分］だ
It's (not) simply a matter [a question] of money.
単に金の問題だ［だけではない］
It's 10.
１０時です．
