cry your eyes out
US /kraɪ jʊər aɪz aʊt/
UK /kraɪ jʊər aɪz aʊt/

1.
目を腫らすほど泣く, 大泣きする
to cry a lot and for a long time
:
•
She would cry her eyes out every time she watched that sad movie.
彼女はその悲しい映画を見るたびに目を腫らすほど泣いた。
•
When his dog died, he cried his eyes out for days.
彼の犬が死んだとき、彼は何日も目を腫らすほど泣いた。