underhand

adj.

1. 秘密的；阴险的；狡诈的；卑鄙的
   secret and dishonest
   1. I would never have expected her to behave in such an underhand way.
      我从未想到她的行为竟如此阴险。

1. ADJ-GRADED 秘密的；狡诈的；欺诈的
   If an action is underhand or if it is done in an underhand way, it is done secretly and dishonestly.
   1. ...underhand financial deals.
      秘密的金融交易
   2. ...a list of the underhanded ways in which their influence operates in the United States...
      他们在美国施展影响的一系列阴险手段
   3. Mr Livingstone accused the government of being underhand.
      利文斯通先生指责政府搞欺诈。
2. ADJ （投球等）低手的，手不过肩的
   You use underhand or underhanded to describe actions, such as throwing a ball, in which you do not raise your arm above your shoulder.
   1. ...an underhanded pitch.
      低手投球
   2. Underhand is also an adverb.
      
   3. In softball, pitches are tossed underhand.
      垒球运动中采用低手投球。

in BRIT, use 英国英语用 underarm

1. Mr Livingstone accused the government of being underhand.
   利文斯通先生指责政府搞欺诈。
2. A person who is aboveboard does nothing underhand.
   明人不做暗事。
3. I don't believe in getting what by underhand method.
   我认为以不光明的手法获取想要得到的东西是不应该的。
4. "oh, it's nothing underhand." he assured me.
   “噢，决不是什么鬼鬼祟祟的事情。”他向我保证。
5. It is obscure because it is underhand.
   它不公开，因为它是在地下进行的。
6. You cannot afford to use underhand business methods.
   你不能用幕后的商业手段。
7. The stability of the underhand drift cemented filling body is analyzed by using stress arch theory and beam theory, and a simple judgment formula of the stability is obtained.
   将压力拱理论与简支梁理论相结合分析了下向进路胶结充填体的稳定性，给出了充填体稳定性的简易判定公式；
8. Form intrigues ( for) in an underhand manner.
   以秘密的方式形成一个阴谋。
9. I wondered which underhand dodges she would attempt this time.
   我想知道她这一次将采用什么阴谋诡计。
10. Achieved success in business only by underhand methods.
    通过卑鄙的手段达到商业上的成功。
11. A contestant who is very aggressive and willing to use underhand methods.
    非常有攻击力和运用思考的竞争者。
12. Ball may be served underhand or overhand.
    发球有上手发球和下手发球两种。
13. You face underhand manoeuvres often, enough you sense when somebody isn't being entirely forthright about their intentions.
    面对来意不明的对手的时候你总是趋于防守止步不前。
14. However, the grenades do have a new secondary function-an underhand toss.
    但是，手雷有个新特点－不过肩扔投。
15. He had suspected his agent of some underhand dealing; of meaning to bias him against the deserving; and he had determined to go himself, and thoroughly investigate the merits of the case.
    他怀疑他的代理人在耍弄诡秘伎俩，企图使他对好好干的人产生偏见，因此他决定亲自跑一趟，彻底调查一下这里面的是非曲直。
16. To deceive by sly or underhand means;
    cheat用秘密的、不正大光明的手段骗取；
17. There are three basic kinds of service: the underhand serve, the overhand serve, and the hook serve or roundhouse serve.
    有三种基本的发球方法：下手发球，上手发球和钩手发球或大力钩手发球。
18. He got the money in a very underhand manner.
    他用极为狡诈的手段弄到了这笔钱。
19. Maybe I can understand why you acted underhand.
    也许我能理解，你为何如此躲躲藏藏。
20. Allow underhand method of we are big before get up also breath, unbend, but this is super wake usefully the head is held.
    让我们也在起床前大口呼吸、伸直手脚，这可是超级有用的醒脑操呢。
21. For beginners, I recommend the underhand serve. For experienced players I recommend the overhand floater serve. The pitcher let go a fast ball and the batter swung and missed.
    对初学者来说，我建议发下手球，对有一定训练经验的我建议发上手飘球。投球手投出一个快球，击球手晃了一下，没有接到。
22. He's gentleman and would never say anything underhand about me.
    他是一个君子，他不会暗中诋毁我。
23. General-ly speaking, the curve can be divided as: hook, small curve and big curve. There are three basic kinds of the underhand serve, the overhand serve, and the hook serve or roundhouse serve.
    一般来说，曲球从球的运行路线上又可分为：勾手、小曲球和大曲球。有三种基本的发球方法：下手发球，上手发球和钩手发球或大力（臂）钩手发球。
24. A shot made with an underhand scooping motion.
    使用捞球动作的低手投篮动作。
25. Underhand work of that sort goes against my grain.
    这种欺诈勾当跟我格格不入。
26. Fire Prevention Technology for High-Gas-Easy-Spontaneous Combustion Super Large Underhand Working Face
    高瓦斯易自燃超大俯采工作面的防灭火技术研究
27. A secret or underhand means of access ( to a place or a position).
    秘密地私下地进入（一个地方或地点）。
28. What really angered her was the dirty underhand way they had tricked her.
    真正使她愤怒的是他们欺骗她的卑鄙可耻手段。
29. Asecret or underhand scheme; a plot.
    阴谋，密谋秘密的或不光彩的计划；
30. I would never have expected her to behave in such an underhand way.
    我从未想到她的行为竞如此阴险。