I couldn't very well refuse to help them, could I?

我没有理由拒绝帮助他们，是不是？

《牛津词典》

I cannot very well refuse their offers.

他们提供帮助，我不好拒绝。

youdao

You know very well I couldn't refuse.

您知道得很清楚，我是不能拒绝的。

youdao

"I would refuse (to move) and I think a lot more would as well, " she said.

BBC: South Gloucestershire homes set to be demolished

What I found amazing was that the Westport, Slocum and Sakonnet Rivers are kept as devoid of Coke cans, and refuse of any kind as I found the Snake and Green Rivers in Wyoming as well as the rivers of Montana.

FORBES: Carl Ladd Loves His Job Because His Desk 'Floats'