How to say "Worry" in Japanese

When translating "worry" into Japanese, you must choose carefully between 心配する and 悩む. In Japanese, 心配する (しんぱいする (shinpai suru)) is typically associated with "to worry; to be anxious" (Syllabus Level: N4) and represents This verb expresses the feeling of worry or anxiety. It's often used with particles like 「について」. On the other hand, 悩む (なやむ (nayamu)) maps to "to worry; to be troubled; to suffer (from); to agonize" (Syllabus Level: N3) and represents Refers to being mentally troubled, worried, or suffering because one cannot find a solution to a problem. Often used as 将来に進路に悩む or 騒音に悩む. ⚠️ Haruka's Voice Column: 'To worry! "You are too cute, Haruka-san, I worry about my heart rate breaking limits daily!" ...っ! T-To worry about your heart rate! B-Baka! Don't make such cute, heart-fluttering worries! But... since you are suffering, I suppose I'll heal you with my sweet hug of love in 1 second! dummy!' / 【ハルカ部長のワンポイント指導】『なやむ（悩む）！『ハルカ部長が毎日可愛すぎて、僕の心拍数が限界突破する緊急トラブルに悩んでいます！』って…っ！心臓の緊急事件！バカ！そんな恥ずかしいこと真顔で言うんじゃないの！…でも、その可愛い悩み、一生私が甘いハグで解決し続けてあげるから、私から離れちゃダメよ！』. A literal translation of "worry" can often sound unnatural to native Japanese speakers if mixed up!