It's raining hard this morning, isn't it?
今朝は雨がひどく降っていますよね
It's raining.
雨だ
It's rather dull, I should say.
それはいささか退屈ですよ
It's ridiculous (that) he couldn't solve the problem.
彼がその問題を解けなかったなんて，ばかな
It's ridiculous for a comedian to be without a sense of humor.
喜劇役者にユーモアの感覚がないとはあきれかえる
It's safe to say she's doing a great job.
彼女はよくやっていると言ってよい
It's simple - nothing fancy.
シンプルでまったくごてごてしていない
It's so hard for her to lose weight.
体重を落とすのは彼女にはとても難しい
It's so [unbearably, stiflingly] hot in here.
ここはとても［耐えられないほど，むっとして］暑い
It's still a long way from completion.
それはまだ完成には程遠い
