"different as night and day" in Japanese
天と地ほど違う雲泥の差がある
Definition
二つのものや人が全く正反対か、とても大きく異なっている時に使う表現です。
Usage Notes (Japanese)
とても強い違いや対照を述べる時のカジュアルな表現です。「XとYは天と地ほど違う」の形でよく使います。ちょっとした違いでは使いません。
Examples
My sister and I are different as night and day.
私と妹は**天と地ほど違う**。
Their opinions are different as night and day.
彼らの意見は**天と地ほど違う**。
The old phone and the new one are different as night and day.
古い電話と新しいのは**天と地ほど違う**。
You wouldn't believe it, but their personalities are different as night and day.
信じられないかもしれないけど、彼らの性格は**天と地ほど違う**よ。
Their tastes in music are different as night and day; he loves jazz and she only listens to pop.
音楽の好みも**天と地ほど違う**。彼はジャズが好きで、彼女はポップだけ聴く。
After a year, the city feels different as night and day compared to when I first arrived.
1年後、この街は初めて来た時と**天と地ほど違う**と感じる。