She expressed her disgust at the programme by writing a letter of complaint.

她写了封投诉信，表示对这个节目的反感。

《牛津词典》

EXAMPLE: I wrote a letter of complaint to the huge company's president, but my letter was probably lost in the shuffle, and I never heard a reply from her.

我给这家大公司的总裁写了一封投诉信，但我的信大概就像石沉大海，从未接到过她的回复。

youdao

He stormed into the office, flourishing a letter of complaint.

他挥舞着一封投诉信冲进了办公室。

youdao

Supporting the center in its letter of complaint to the FTC are nine researchers, who wrote a separate letter to Mary Engle, associate director of advertising practices.

CNN: Group threatens suit over vitamins' anti-cancer claims

The live music company has filed a letter of complaint to The Royal Parks raising "serious concerns" about the tender and bid process for the new four-year contract up to 2017.

BBC: Live Nation may end 10-year link with Hyde Park

If the problem still exists, Complain.com will fax a copy of the original complaint letter to the offending company's chief executive.

CNN: Got a problem? Complain online!