His official wife is vicious, and always treats her servants high-handedly.

老婆人很恶毒，总是欺负手下的人。

youdao

Beaufort, though clearly annoyed at finding him with Madame Olenska, had, as usual, carried off the situation high-handedly.

尽管博福特发现他跟奥兰斯卡夫人在一起显然很心烦，但他跟往常一样专横地处理这种局面。

youdao

Deutsche had treated Dresdner high-handedly by insisting that the smaller partner's investment banking arm should be sold off, Dresdner complained.

BBC: German bank merger off

So the Foundation filed a Freedom of Information Act request with the IRS. The agency high-handedly refused to hand over the documents within the deadlines set by the law.

FORBES: Fact and Comment

With all that math practice, Google could probably single-handedly raise the SAT scores of all high school students.

FORBES: Magazine Article