To experience or witness something firsthand; to see with one's own eyes (often implying having gone through or observed something).
兵士として、彼は戦争の悲惨さを目を見ることになった。
As a soldier, he came to witness the horrors of war.
会社の倒産で、多くの社員が生活の厳しさを目を見る羽目になった。
When the company went bankrupt, many employees were forced to experience the harshness of life.
若いうちに海外で暮らして、いろいろな価値観を目を見ることができた。
Living abroad while young allowed me to experience various values firsthand.