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- He talks in a dignified, high-sounding way, but engages in all sorts of underhand activities. 他说得冠冕堂皇，干的却是种种见不得人的事。
- He got the money in a very underhand manner. 他用极为狡诈的手段弄到了这笔钱。
- A secret or underhand scheme; a plot. 阴谋，密谋秘密的或不光彩的计划; 密谋
- deeds that cannot bear the light of the day; underhand activities 见不得人的勾当
- The office has been humming with activity. 办公室一直忙着搞活动。
- The threat of war has depressed business activity. 战争的威胁使经济萧条。
- There has been a lot of activity in the town today. 今天市中心相当热闹。
- The town was humming with activity. 该市镇生气勃勃，呈现一片热闹的景象。
- Stamp collecting is my favorite activity. 集邮是我最喜爱的消遣。
- The store was a scene of great activity. 这家商店顾客盈门。
- He once engaged in anti-government activity. 他一度从事反政府的活动。
- The office is humming with activity. 办公室里一片忙碌。
- To betray or attempt to defeat by underhand means. 背叛，陷害用不光彩的手段出卖或试图战胜
- underhand activity [法] 秘密活动
- A center of interest or activity. 中心兴趣或活动的中心
- Maybe I can understand why you acted underhand. 也许我能理解,你为何如此躲躲藏藏。
- Showing no optical activity in polarized light. 无旋光的极化光下无光学反应的
- Underhand work of that sort goes against my grain. 这种欺诈勾当跟我格格不入。
- An increase, as in movement or business activity. 进步，改进，改善运动或商业活动的进步或兴隆
- A person who is aboveboard does nothing underhand. 明人不做暗事。
