你竟有脸对我说那种话。

You have some ___nerve saying that to me.

他竟然有脸要求退款。

He actually had the ___nerve to ask for a refund.

令我惊讶的是，竟有人有脸提出这样的主张，还称之为‘诚实反馈’。

It amazes me that anyone could make such a claim with the ___nerve to call it 'honest feedback'.