gall

他竟然有脸在考试作弊后要求老师给他加分。

He had the ___gall to ask the teacher for extra points after cheating on the exam.

她空手而来，居然还好意思挑剔我的厨艺。

She had the ___gall to criticize my cooking after showing up empty-handed.

他迟到了居然还好意思对免费咨询挑三拣四。

He had the ___gall to complain about the free consultation after arriving late.