sink or swim
US /sɪŋk ɔr swɪm/
UK /sɪŋk ɔr swɪm/

1.
berhasil atau gagal, hidup atau mati
to fail or succeed entirely by one's own efforts, without help from anyone else
:
•
When he started his own business, it was a case of sink or swim.
Ketika dia memulai bisnisnya sendiri, itu adalah kasus berhasil atau gagal.
•
The new employees were told they would have to sink or swim.
Karyawan baru diberitahu bahwa mereka harus berhasil atau gagal sendiri.