przez siebie in English:

1. by yourself

English word "przez siebie"(by yourself) occurs in sets:

Wyrażenia z zaimkami zwrotnymi
Simon Words 2

2. by oneself

English word "przez siebie"(by oneself) occurs in sets:

p r z y i m k i
Prepositional phrases 1
IDIOMS AND PHRASES

3. by themselves