shameful
/ˈʃeɪmfl/If you describe a person's action or attitude as shameful, you think that it is so bad that the person ought to be ashamed. 可耻的
adjective [原级] 丢脸的,可耻的
He accused the company of "shameful foot-dragging." 他指责该公司犯有“可耻的故意拖延行为”。