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 recover or progress faster than others after a downturn
to improve or reach a higher standard or stage
to recover or succeed after a difficult situation
to organize activities jointly across different areas or tea...
to discuss or talk casually with a friend
to introduce new environmental or social targets
