get in someone's hair
US /ɡɛt ɪn ˈsʌm.wʌnz hɛr/
UK /ɡɛt ɪn ˈsʌm.wʌnz hɛr/

1.
taper sur les nerfs, agacer
to annoy someone by being present all the time and bothering them
:
•
My little brother always seems to get in my hair when I'm trying to study.
Mon petit frère semble toujours me taper sur les nerfs quand j'essaie d'étudier.
•
I need some space; you're really starting to get in my hair.
J'ai besoin d'espace; tu commences vraiment à me taper sur les nerfs.