「On」と「Upon」を使用した句動詞 - 理解または熟考（オン）

to understand a concept

理解する

to carefully think about something for a while

噛む

to manage to understand something, typically following an initial period of challenge or difficulty

理解する

to become clear, evident, or understood, particularly after some time

気づく

to think or talk about something at length, often to the point of overthinking or obsessing about it

悩む

to think carefully and deeply about something

振り返る

to postpone making a decision until the next day or a later time, often to think about it more

持ち越す

to finally understand something, usually after some initial difficulty

理解する

to intend to do something in the future based on certain considerations or expectations

計画する