1. Most people are so ungrateful 自己一个人晚上看完之后再理解这句话很有感觉的！
2. It was he, after all, who said that staying in Iraq was like "living on an ungrateful volcano". 毕竟是他说的，呆在伊拉克就像是“住在一座随时会爆发的火山上”一样。
3. At any time, don't feel sad for an ungrateful man, women need to know, sadness, ultimately hurt all own hearts. 在任何时候，不要为一个负心汉的男人伤心，女子更要懂得，伤心，最终伤的是自己的心。
英英解释
adj.
1. not feeling or showing gratitude
2. disagreeable
