underhand
adjective (disapproving)secret and dishonest 秘密的;阴险的;狡诈的;卑鄙的 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。 I promise you there’s nothing underhand about this agreement. 我向你保证,这项协议绝对是光明正大的。
Oxford Collocations DictionaryUnderhand is used with these nouns:- dealings
- tactic
Word OriginOld English in the sense ‘in or into subjection, under control’ (see under-, hand).