I only agreed out of sheer desperation.

我一时情急才同意的。

《牛津词典》

He only agreed to pay after the restaurant's owner, aware of the legal changes, threatened to charge his boss for the meal.

他在店主威胁到要为这顿饭起诉他的上头时，才猛然意识到法律修订了，最后不得不付账。

youdao

I agreed, but only because I was frightened.

我同意了，但只是因为我受到了恐吓。

《牛津词典》

They got Mexico to agree to recognize the independence of Texas, but only if Texas agreed not to join the United States.

VOA: special.2009.02.19

Only later did she learn that she had agreed to marry each one of them.

VOA: special.2009.05.10

Southern Whigs agreed to support Harrison only because Tyler was the vice presidential candidate.

VOA: special.2009.01.22

The court heard Rees only agreed to help find the rings after learning Mrs Parsons, 60, was dying.

BBC: Stewart Rees

Baynes said voters only agreed to dissolve three villages out of 20 that held votes within the last five years.

WSJ: Cuomo to strapped municipalities, schools: Merge

Both Mr Queipo and Mr Pinazo only agreed to speak to the BBC if their names or faces were not shown.

BBC: Painful search for Argentina's disappeared