He didn't stand firm.

他站不稳立场。

《新英汉大辞典》

After months of publicly saying he would stand firm, he would have little to show for changing his mind.

公众几个月来一直认为他的立场是坚定的，要是他改变主意，也没有什么可以展示的。

youdao

He has vowed to stand firm against “people who come back and say, ‘I bought a Chevy Vega but I want it to be a Mercedes.’”

布莱恩发誓他将立场坚定地反对那些回头称“我买了雪佛兰，但我想有奔驰的性能”的人。

youdao

After months of publicly saying he would stand firm, he would have little to show for changing his mind.

ECONOMIST: The Palestinian president is in a pickle

In the same paper, his education spokesman David Willets has said he will "stand firm" against any Conservative revolt against the new policy, saying the leadership's refusal to back more educational selection was a "crucial test" for the party.

BBC: NEWS | UK | UK Politics | Cameron warning to grammar rebels

Weiss says the suit is only to recover money for the company, and neither he nor his firm stand to make money from the case.

FORBES: Strange Bedfellows