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

1.
نجاح أو فشل, إما أن تنجح أو تفشل
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.
عندما بدأ عمله الخاص، كان الأمر مسألة نجاح أو فشل.
•
The new employees were told they would have to sink or swim.
قيل للموظفين الجدد إن عليهم النجاح أو الفشل بأنفسهم.