1.Burnout is mental exhaustion due to too much stress at work.
exhaustion 精疲力竭
Staff say he is suffering from exhaustion.
员工说他极度疲劳 。
2.Researchers have said it is similar to anxiety or mood disorders, and can come from depression.
is similar to 相似于
This is similar to waiting for a bus that never turns up.
这就跟等待一辆永远等不到的公共汽车差不多 。