a.

1. 单独的；独力做的；无人帮助的
2. 使用单手的；适用于单手的
   He learned to use a single-handed saw in no time.

   他很快学会使用单手锯。

ad.

1. 单独地；独力地；无助地
   The young hero rescued ten people from the fire single-handed.

   那个少年英雄独闯火海救出了十个人。

   Grandfather built this house single-handed.

   祖父独立建造这所屋子。

   Caring for five children single-handed left her no time for socializing.

   一个人照看五个孩子使她忙得没有时间社交。

adv.

adj.

1. done without help from others.
2. done or designed to be used with one hand.