您要查找的是不是：
- He cast aside his steady job and engaged in speculation. 他撇下稳定的工作不干，却偏要去做那投机生意。
- engage in speculation and profiteering 投机倒把
- Is it wise to engage in active sports at your age? 我这样的年纪积极参加体育活动是否明智？
- Being engaged in speculation and profiteering, he wallowed in the mire with them. 他和他们同流合污，投机倒把。
- I have no time to engage in gossip. 我无暇闲聊。
- But scientists in the time from General System Theory to complexity studying today all have a tendence of "engaging in speculation and profiteering" when definiting the emergence. 但从一般系统论开始直到现代研究复杂性的科学家们，对涌现概念的界定都有“投机致富”之嫌。
- They engage in the study of music. 他们从事音乐研究。
- He thrown away all his property in speculation. 他因投机倒把而倾家荡产。
- Let's not engage in personalities. 我们别再进行人身攻击了吧
- Very few people know that he is engaged in speculative buying and selling. 很少有人知道他做的是投机倒把的生意。
- I have no time to engage in the debate. 我没时间参加辩论。
- The two often engage in a battle of words. 他俩总是唇枪舌剑的。
- To engage in a formal discussion or argument. 正式讨论参与正式的讨论或辩论
- One who is engaged in speculative mining or well drilling in areas not known to be productive. 野猫钻井者，盲目开采油井者从事在资源依据不足的地区冒险性采矿或钻井
- Those who engage in mental work are also workers. 从事脑力劳动的人也是劳动者。
- We engage in both export and import business. 我们进出口业务都做。
- speculate (in stocks, etc.);Buy long and sell short;engage in speculation 买空卖空
- They are engaged in interior trade. 他们从事国内贸易。
- speculate (in stocks, etc.);Buy long.and sell short;engage in speculation 买空卖空
- We are prepared to engage in a dialogue with them. 我们准备同他们进行对话。
