get sb's dander up, 惹某人生气，使某人发火

abc

get sb's dander up,  to make someone angry – often used humorously
• 惹某人生气，使某人发火〔常为幽默用法〕

get someone's dander up
    informal   : to cause someone to become angry
    Her rudeness really got my dander up.

dan·der
I. \ˈdan(d)ə(r)\ intransitive verb
(-ed/-ing/-s)
Etymology: origin unknown
1. dialect Britain : to walk at a leisurely pace : saunter, idle
2. dialect Britain : to wander mentally
II. \-ər\ noun
(-s)
chiefly Scotland : a leisurely walk : stroll
III. \ˈdandə(r), ˈdaan-\ noun
(-s)
Etymology: alteration of earlier dandruff, dandro
1. : dandruff; specifically : minute scales from hair, feathers, or skin that may act as allergens
2. : anger, temper
< finally, she got her dander up and wrote direct to the president — S.V.Benét >
IV. \ˈdan(d)ə(r)\ noun
(-s)
Etymology: origin unknown
dialect Britain : a piece of slag : a calcined cinder — usually used in plural
< danders from the fire >

dander

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NOUN:Informal. A tendency to become angry or irritable: irascibility, irascibleness, spleen, temper, temperament, tetchiness. Slang : short fuse. Idioms: low boiling point. See FEELINGS.