自行[zì xíng]
词典自行
词典voluntarily：志愿地；自动地，自发地。
词典自行
词典by oneself：自行；单独，独力；孑然一身；各自。
词典自行的解释
词典of oneself：自动地；自行。
词典of one's own accord：主动地，自愿地；自行。
词典proper motion：自行，天体的固有运动。
自行[zì xíng]
（自己做） by oneself:
例：自行处理
settle (the matter) by oneself;
自行安排
make arrangements by oneself;
自行设计制造
be designed and made by oneself;
自行制定政策
decide policies on one's own
（自动） of oneself; of one's own accord; voluntarily:
例：自行到来
come of itself;
反动派决不会自行退出历史舞台。
The reactionaries will never, of their own accord, step down from the stage of history.
{天} proper motion; self-powered
{地} auto-morphic
1. of oneself：You boys must learn to think for yourselves instead of just obeying orders.你们这些孩子应学会自己思考问题,而不只是惟命是从. | 5. of oneself 自行 | The light went out of itself.灯光自行熄灭了
2. velodrome, cycling stadium：6.Bicycles and Motorcycles 自行车和摩托车 | car 车类运动 | velodrome, cycling stadium 自行
3. Cycling：Double trap 双多向飞? | Swimming 游泳 | Cycling 自行?