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。
It is obscure because it is underhand.
它不公开，因为它是在地下进行的。
A secret or underhand scheme; a plot.
阴谋，密谋秘密的或不光彩的计划；密谋。
Maybe I can understand WHY you acted underhand.
也许我能理解，你为何如此躲躲藏藏。
You cannot afford to use underhand business methods.
你不能用幕后的商业手段。
Her underhand serve was more powerful than others'.
她的下手发球比其他队员都要有力。
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。
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。
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