2. A hedgehog often contracts its body into a ball. 刺猬常常把它的身体收缩成一个圆球。
3. An irritable man is like a hedgehog rolled up the wrong way, tormenting himself with his own prickles. 一个脾气急躁的人就像刺猬错误地卷住自己的身体，让自己的刺使自己痛苦。
英英解释
n.
1. relatively large rodents with sharp erectile bristles mingled with the fur
2. small nocturnal Old World mammal covered with both hair and protective spines
