to work at a second job, especially secretly or part-time
第二の仕事をすること、特に秘密でまたはパートタイムで (daini no shigoto o suru koto, toku ni himitsu de mata wa pāto taimu de)
"She decided to moonlight as a freelance writer to make extra money."
"彼女は追加のお金を稼ぐために moonlight as フリーランスの作家になることに決めました。" (Kanojo wa tsuika no okane o kasegu tame ni moonlight as fūrīransu no sakka ni naru koto ni kimemashita.)
to set challenging and ambitious goals
someone told me something secretly
Taking an irreversible step with serious consequences.
to give everything you can to help someone
to adapt to changes or challenges easily
to guide someone towards the correct path or decision