您要查找的是不是：
- I am still uncommitted to undertaking the work. 我还没有说定要接受这份工作。
- He blazed away at his undertaking. 他全力以赴地工作。
- A dyke was built to retain the floods. 修了一道堤坝挡住洪水。
- It seemed an endless undertaking. 那件事办起来像没个完似的。
- He is too timid to venture upon a new undertaking. 他太胆小，不敢从事新的事业。
- undertaking retaining 事业留人
- The mental faculty of retaining and recalling past experience. 记忆，记忆力储存与回忆以往经历的大脑之能力
- I retain a clear memory of those days. 我还清晰地记得那些日子。
- He jibbed at undertaking the job. 他不肯担任这项工作。
- He has managed to retain most of his fortune. 他设法保存了他的大部分财产。
- To take part in a dangerous or risky undertaking. 玩火，冒险参加危险或冒险的任务
- He lent his name to the undertaking. 他以自己的名义支持该事业。
- Concentrated study will help you to retain knowledge. 专心学习有助于你记住知识。
- Dicotyledonous plants retain a series of strands. 双子叶植物中保留着一系列的束。
- He was entrapped into undertaking the work. 他受骗而担任那工作。
- Refit the handwheel retaining screw. 重新装置手轮固定螺丝。
- Reinstall handwheel and secure with retaining bolt. 重新安装手轮，用固定螺栓加固。
- Negotiating a reduction in nuclear arms is a long and arduous undertaking. 有关削减核武器的谈判是一项漫长而艰苦的工作
- What should I do? Retain the red door? 现在门已经刷上红色了，怎么办?
- A lack of funds brought the undertaking to grief. 事业因资金不足而失败。
