trouble in paradise

Noun

idiomatic uncountable usually

(idiomatic) An unexpected problem in a supposedly positive situation, especially in a marital or romantic relationship.

Japanese Meaning

楽園、すなわち幸せな状況や理想的な状態に見える場面で、予期せぬ問題が生じる現象（特に婚姻関係や恋愛関係で） / 一見完璧に見える関係や環境に潜む、予想外の困難やトラブル

After the layoffs, what began as tiny scheduling disagreements escalated into real trouble in paradise for the young couple.

解雇の後、最初はスケジュールのわずかな食い違いにすぎなかったことが、若い夫婦にとって理想的に見えた関係に生じた深刻な問題へとエスカレートした。

Sense（1）

(idiomatic) An unexpected problem in a supposedly positive situation, especially in a marital or romantic relationship.

My wife wasn't in the best of moods on our honeymoon last week. ― Trouble in paradise?

troubles in paradise

（ plural ）