there are plenty of fish in the sea

US /ðɛr ɑr ˈplɛn.ti əv fɪʃ ɪn ðə siː/
UK /ðɛr ɑr ˈplɛn.ti əv fɪʃ ɪn ðə siː/
"there are plenty of fish in the sea" picture
1.

世の中にはたくさんの人がいる, 他にも良い人はたくさんいる

used to tell someone whose relationship has ended that there are many other people they could have a relationship with

:
Don't worry about your breakup; there are plenty of fish in the sea.
失恋を心配しないで。世の中にはたくさんの人がいるから。
After she broke up with him, her friends reminded her that there are plenty of fish in the sea.
彼と別れた後、彼女の友達は世の中にはたくさんの人がいると彼女に思い出させた。