| 无人驾驶喷气战斗机 jet fighter drone |
| 无人驾驶直升机 pilotless helicopter |
| 无人驾驶航天器 pilotless spacecraft |
| 无人驾驶辅机 unmanned helper engine uninh... |
| 无人驾驶飞机 robot plane |
| 无人驾驶飞行 nolo flight |
| 无仁无义 be with neither a sense of h... |
| 无从 have no way |
| 无从下手 have no way of doing it |
| 无从入手 There is no way to begin. |
| 无从捉摸 There is nothing to lay hold... |
| 无从着手 have no way of handling |
| 无从知道 be unable to find out |
| 无从置喙 cannot find a place to stick... |
| 无从说起 not to know where to begin t... |
| 无以为力 difficult to be of help |
| 无以为对 not to know how to answer |
| 无以为报 do not know how to compensat... |
| 无以为生 live on nothing |
| 无以为答 unable to answer |
| 无以复加 incapable of further increas... |
| 无以自容 be ashamed of oneself |
| 无以自遣 have no diversion |
| 无以谋生 live on nothing |
| 无价 non-valent |