tired的比较级：more tired

adj.疲倦的;疲劳的;困倦的;厌倦;厌烦

最高级：most tired

adj.疲倦的;疲劳的;困倦的;厌倦;厌烦;陈旧的;陈腐的;陈词滥调的

例句：

You get more tired when you lift a heavy load.

当你举起重物时，你会感到更累。

Sometimes it seems like the less I do, the more tired I feel.

有时候我好像活儿干得越少就越觉得累。

Most pupils are tired of doing their homework.

大多数小学生都不喜欢做家庭作业。