by itself

1. 自动地

The machine works by itself.

机器自行运转。

2. 单独地

The farmhouse stands by itself in the fields.

农舍孤零零地坐落在田间。


习惯用语by itself1.单独地; 孤零地; 独立地; 自动地in itself1.本身, 实质上, 就其本身来说of itself1.自行, 自然而然地