出典:Tatoeba
He was too embarrassed to do it.
He couldn't tell the truth for shame.
He was ashamed of having done such a thing.
He can not pretend to indulge in such luxuries.
He was disappointed at not being invited.
He can not, in conscience, ask so much.
He had no confidence to do it.
He has no sense of honour―He is shameless―insensible to shame―dead to shame―lost to virtue.