tired本身作形容词。
tiredadj.疲倦的;疲劳的;困倦的;厌倦;
v.(使)疲劳,疲倦,困倦
It\'s difficult to pump facts and figures into tired students.
把事实和数字硬灌输给疲惫的学生太难了。
Really, I\'m not in the least tired.
说真的,我一点也不累。
When I\'m tired, I tend to make mistakes.
我累了就容易出错。
大学排名
水利万物而不争,
而万物莫能与之争。