adj.忘恩负义的；不领情的
At the risk of sounding ungrateful, I must refuse your offer. 我甘受拂逆盛情之嫌，也必须谢绝你的提议。
You are a very nice, but an ungrateful boy. 你是个很好的孩子，但又是个不领情的孩子。
It is a mistake to lavish kindness ungrateful people. 对于不领情的人来说浪费感情是一种错误。
