1、by oneself (用作副词)
(1) 独自一人(= alone),例如:
She used to sit by herself and read.
她从前常常独自坐着看书.
(2) 独立地,单独地,自动地,如:
He finished it by himself.
他独立完成那件事.
2、on one's own:独自地,主动地,靠自己自食其力
例如:
Obstinately bent on having one's own way:固执的,任性的。
by oneself 单独地,独自地,依靠自己
强调亲自,没有别人帮助
on one's own:独自地,主动地,靠自己自食其力
例如:Obstinately bent on having one's own way:固执的,任性的