Without company; by oneself.

• Having no companions present.

没有同伴；独自一人。

• 身边无人同行。

Being the only one; sole.

• Single in number or kind.

唯一的；仅有的。

• 数量或种类上唯一。

Standing apart or remote from others.

• Situated by itself; isolated.

与他物相隔；偏远孤立的。

• 独自坐落；与其他分开。

Acting alone, without help or partners.

• Working independently of a group.

单独行动，没有帮助或同伴。

• 独立于团队工作。