get up on the wrong side of the bed

US /ɡɛt ʌp ɑn ðə rɔŋ saɪd əv ðə bɛd/
UK /ɡɛt ʌp ɑn ðə rɔŋ saɪd əv ðə bɛd/
"get up on the wrong side of the bed" picture
1.

心情不好, 起床气

to be in a bad mood for the entire day, often for no clear reason

:
My boss must have gotten up on the wrong side of the bed today; he's been yelling at everyone.
我老板今天肯定心情不好;他一直在对所有人大喊大叫。
Don't mind him, he just got up on the wrong side of the bed.
别理他,他只是心情不好