He 's a lying , immature , scummy , two-faced .

他是个骗子、无耻，下流，两面派。

The plot and characters are scummy teenagers that lack morals and integrity .

情节和人物是卑鄙的青少年缺乏道德和诚信。

Making phones without replaceable batteries is simply a scummy marketing move and I don 't like it .

制造不可更换电池的手机很明显是一种低级的市场行为，我不喜欢这样。

That 's a scummy trick .

那是一种卑鄙的伎俩。

You want me to take part in a scummy little plot .

你要我参与一项下流的阴谋.