It's funny that he said nothing about it.
彼がそのことに一言も触れなかったのは妙だ
It's getting cool.
涼しくなってきた
It's getting dark.
だんだん暗くなってきた
It's getting late, at any rate let's finish this job.
遅くなってきたね．いずれにせよ，この仕事は片づけよう
It's getting near to Christmas.
クリスマスももうすぐだ
It's getting warmer day by day.
日増しに暖かくなっている
It's going on (for) midnight.
もうそろそろ夜の１２時だ
It's going to rain.
（空模様から）雨になりそうだ
It's going to work out to be expensive [at [to] $300].
高くつく［３００ドルになる］
It's gone five o'clock already.
もう５時過ぎだ
