To shed tears; to begin crying due to sadness, pain, emotion, etc.
映画の最後のシーンを見て、思わず涙が出た。
Watching the final scene of the movie, I couldn't help but cry.
友達のやさしさに胸がいっぱいになって涙が出そうになった。
I was so moved by my friend's kindness that I almost started to cry.
砂が入って目が痛くなり、涙が出た。
Sand got in my eye and it hurt, so tears came out.
寒さで目がしみて涙が出ることがある。
The cold sometimes makes my eyes sting and tear up.