to secretly hear someone’s conversation
誰かの会話をひそかに聞くこと (dareka no kaiwa o hisoka ni kiku koto)
"He was caught listening in on their private discussion."
"彼は彼らのプライベートな議論をひそかに聞いているところを見つかった。" (kare wa karera no puraibēto na giron o **listening in on** shite iru tokoro o mitsukatta)
to plan each step carefully for a specific purpose
to use something carelessly; to discuss casually
to officially launch or implement new changes or improvement...
to make someone understand your emotions clearly
to remain supportive and steady for someone or something you...
to do something too much or with too much enthusiasm
