his/her attitude
I appreciate his/her attitude.
His attitude annoys me.
Son attitude a blessé mon amour propre.
His attitude hurt my self-esteem.
Je suis étonné par son attitude irresponsable.
I am amazed by his irresponsible attitude.
Ce qui me préoccupe, c'est son attitude.
What concerns me is his attitude.
Son attitude prétentieuse me met hors de moi.
His pretentious attitude drives me crazy.
Son attitude de merde fatigue tout le monde.
His shitty attitude is tiring everyone out.