tire可作名词，相当于tyre，意思是轮胎、头饰，例如to check your tire pressure检查轮胎气压；tire可作动词，意思是使疲劳、疲倦、困倦等，例如never tire of doing sth不厌其烦地做、tire out使精疲力竭、tire of sth对某事感到厌倦等。
例句：1、He did not have enough money to have the tire patched up,let alone buy a new one.
他的钱还不够补这个轮胎，更别提买个新的了。
