例句-1：My sister Irene works at a full time job and has two young sons to take care of when she gets home in the evening. Her husband Bob tries to help out, of course, but he just isn't too handy with kids. Believe me, her life these days is no bed of roses.
例句-2：Mike's looking for another job. His boss is rude and very bad-tempered. And the five people who work for Mike are lazy and untrained so Mike has to explain everything to them. Therefore, his job is a real bed of nails for him.
这时就可以用get up on the wrong side of the bed来描述这种整天情绪不佳的状况。事实上你并没有真的从错的一边下床。
我们来听个例子。说话的先生平常性情温和，今天却一反往常。我们听听他正在为自己的失常跟同事们打招呼。请特别注意他话里的习惯用语get up on the wrong side of the bed:
例句-3：I'm sorry I'm in such a bad mood today - I just got up on the wrong side of the bed. But our baby cried all night long. And I forgot to set the alarm so had no time to eat breakfast. After a good night's sleep I'll be okay again!