「On」と「Upon」を使用した句動詞 - 努力、危険を冒す、または明らかにする (オン)

to direct one's attention, energy, or efforts toward a particular goal, task, or objective

焦点を合わせる

to provide information to law enforcement or authorities about someone's actions, particularly illegal or unethical actions

通報する

to demand something firmly and persistently

主張する

to reveal information that was meant to be kept a secret

明かす

to give away information one has obtained about someone, particularly to someone in authority

密告する

to watch an event or incident without getting involved

見る

to secretly observe someone or something with the intention of gathering confidential or hidden information

スパイする

to focus one's effort, time, or attention on something in order to achieve a particular goal

作業する