ADJ-GRADED [usually verb-link ADJ]过度疲惫的；累得阴郁（或烦躁）的 If you are overtired, you are so tired that you feel unhappy or bad-tempered, or feel that you cannot do things properly. 过度疲惫的；累得阴郁（或烦躁）的
Make sure you avoid getting overtired or missing meals, when at all possible.