忘恩负义的

He proved to be an ingratiating person, always trying to butter up the boss for a promotion.
他被证明是一个善于奉承的人，总是想方设法讨好老板以求晋升。
The ingratitude of her children towards their mother was shocking.
她的孩子们对母亲忘恩负义的行为令人震惊。
Don't be an ingrate; we've already done so much for you.
别忘恩负义，我们已经为你做了很多。
His ingrained prejudice against foreigners made it difficult for him to accept new ideas.
他对外国人的根深蒂固的偏见使他很难接受新思想。
She felt slighted when no one thanked her for her help, despite her ingratiating smile.
虽然她满脸堆笑，但没人感谢她的帮助时，她感到受到了冷落。
The politician's ingratiating smile didn't fool anyone – they knew he was only after power.
那位政客的讨好笑容未能蒙蔽任何人，他们都知道他只是为了权力。
After his successful surgery, the patient was eager to ingratiate himself with the medical staff.
手术后，病人急于讨好医护人员。
His ingratitude towards his friends was a major factor in why he had few close relationships.
他对朋友的忘恩负义是他人际关系疏远的主要原因。
The employee tried to ingratiate himself with the new boss by offering to take on extra projects.
那名员工试图通过接手额外项目来讨好新上司。
The newcomer's constant ingratiating behavior eventually wore out the group's patience.
新来者的不断讨好行为最终耗尽了团队的耐心。