his/her attitude
What do you think of his attitude?
Su actitud no es normal en él.
That attitude is not typical of him.
Su actitud da mucho en qué pensar.
His attitude gives one much to think about.
Tom necesita cambiar su actitud.
Tom needs to change his attitude.
Sus amigos estaban incómodos con su actitud prepotente.
His friends were uncomfortable with his arrogant attitude.
Su actitud vanidosa me pone enfermo.
His vain attitude makes me sick.
His attitude baffles me.