его поведение

his behavior

→ его
phrase Rare #36,117
his behavior Can also mean "his conduct" depending on context.
RU: Его поведение показалось мне странным.
EN: His behavior seemed strange to me.
phrase Rare #50,200
his behavior The phrase changes form according to grammatical case: for example, в его поведении means “in his behavior,” and с его поведением means “with his behavior.” Его stays the same, while поведение changes.
RU: Мне не нравится его поведение.
EN: I don't like his behavior.

Я едва терплю его поведение.

I can hardly stand his behavior.

Я с трудом выношу его поведение.

I can hardly stand his behavior.