push back的意思为：推拒，抵制（变革、批评等）
造句：
1.Scientists continue to push back the boundaries of human knowledge.
科学家不断扩大人类知识的范围。
2.Papa, at the head of the table, would push back his chair and pour a glass of red wine, ready to listen.
坐在桌子前面的爸爸会推开椅子,倒上一杯红酒,准备聆听。
3.Find the bright side in bad situations, and push back against negative opinions.
在不好的情况下找到好的一面,并抵制消极的观点。
4.When most people lose weight there are signals in the body that push back, making us want to eat more.
当大多数人想减轻体重时，身体里发出的一些信号会产生反作用力，让我们食欲大增。
魔羯女悠悠
