訪ねていく前に、彼が家にいることを確認した方がいいですよ。
tbd
You had better make sure that he is at home before you call on him.
Before you go to visit him, you should make sure he's at home.
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部屋の整理をしたほうがいいよ。
tbd
You should set your room in order.
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彼女を一人にした方がいい。
tbd
We'd better leave her alone.
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彼らはレポートをもっとしっかりしたものにした方がよい、さもないととても受理されないだろう。
tbd
They'd better beef up their report or it won't be accepted.
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彼らはすぐに出発した方がいいと決めた。
tbd
They decided that it would be better to start at once.
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彼らの言うとおりにしたほうがいい。
tbd
You'd better do what they say.
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彼は罪を告白した方が良い。
tbd
He may as well confess his crimes.
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彼にもっと早く出発したほうがいいと勧めた。
tbd
I advised him to start earlier.
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彼がやることをしっかり警戒したほうがいいですよ。
tbd
Now it would be better to keep a sharp lookout for what he might do.
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入院したほうがいいです。
tbd
You had better enter the hospital.
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