to forget something unpleasant and move forward
不愉快なことを忘れて前に進む (fuyukai na koto o wasurete mae ni susumu)
"She tried to put her past behind and start anew."
"彼女は過去を後ろに置いて新たに始めようとした。" (Kanojo wa kako o **ushiro** ni **oite** aratani hajimeyou to shita.)
to talk confidently and convincingly
to aim for something very ambitious or difficult to achieve
to fix a relationship after a disagreement
to invest large amounts of money into something
to finish or complete something
to introduce environmentally friendly technology gradually