the world is someone's oyster
US /ðə wɜːrld ɪz ˈsʌm.wʌnz ˈɔɪ.stər/
UK /ðə wɜːrld ɪz ˈsʌm.wʌnz ˈɔɪ.stər/

1.
świat stoi przed kimś otworem
a person has the ability and freedom to do exactly what they want and go anywhere they want
:
•
After graduating from college, with her new degree, the world was her oyster.
Po ukończeniu studiów, z nowym dyplomem, świat stał przed nią otworem.
•
With his talent and ambition, the world is his oyster.
Z jego talentem i ambicją, świat stoi przed nim otworem.