She dismissed him with a regal gesture.

她以尊贵的神态示意让他离开。

《牛津词典》

I also hear that his boss dismissed him.

我听说他还被老板解雇了。

youdao

The boss dismissed him but gave no reason.

老板解雇他却没有任何理由。

youdao

He has dismissed the war crimes charges against him as "lies" and said he had nothing to gain from destabilizing Sierra Leone.

VOA: standard.2009.07.31

He never forgave PM Jim Bolger, who once dismissed him from his cabinet and the National Party.

CNN: NEWSMAKERS

Nor is he the sci-fi dreamer some dismissed him as when he began his work three decades ago.

CNN: GROWN TO ORDER

He was CEO of Fannie Mae until the government dismissed him after it took over as conservator in September 2008.

FORBES: Fortress CEO Takes Leave Following Fannie Mae Charges