She would think him churlish if he refused.

如果他拒绝，她会觉得他不礼貌。

《柯林斯英汉双解大词典》

He was threatened with death if he refused.

如果他拒绝，他们就威胁要处死他。

youdao

If he refused, he wouldn't change the mind.

他一旦拒绝了，就不会改变主意。

youdao

If he refused to fight Spain, his Republican Party could lose popular support.

VOA: special.2010.07.15

Pohl said he would enter a not guilty plea on Mohammed's behalf, if he refused to enter a plea.

CNN: 9/11 suspects ignore, disrupt Guantanamo arraignment

On his return to the US, he told the army that he did not want to return, but was advised that he would face prison if he refused.

BBC: NEWS | Americas | US deserter 'shocked by abuses'

Earlier this week, Mr Skelemani was quoted by Mmegi as saying that Mr Kenyatta would not be allowed to "set foot" in Botswana if he refused to cooperate with the ICC.

BBC: Botswana apologises to Kenya over Kenyatta ICC warning