Sensing she was on shaky ground, Marie changed the subject.

感觉自己的根据站不住脚，玛丽于是转变了话题。

《柯林斯英汉双解大词典》

She hastily changed the subject.

她匆匆换了个话题。

《牛津词典》

She changed her name from Fannie to Frances, thinking the former might subject her to ridicule.

她将自己的名字由范尼改为贝金斯，因为她觉得先前那个名字会让她受到嘲笑。

youdao

Amanda changed the subject to a television program she had liked, on the Discovery Channel, about whether mermaids exist.

NEWYORKER: Bones of Contention

This is not so much a political as an aesthetic flaw: In the classic movies about Elizabeth I, for instance, you knew why you were watching the movie, why she was its subject, and how she changed history.

WSJ: Peggy Noonan: Jobs, Thatcher and the Force of Life