Двоюродный брат мужа моей сестры оч

Двоюродный брат мужа моей сестры очень вспыльчив и ведёт себя эгоистично, возможно потому, что он устанавливает слишком высокие стандарты поведения для окружающих.

Results (English) 1:

A cousin of my sister's husband is very hot-tempered and behaves selfishly, perhaps because it sets very high standards of behavior for others.

Results (English) 2:

My sister's cousin is very short-tempered and selfish, perhaps because he sets standards of behavior for others.

Results (English) 3:

My sister's husband's cousin is irascible and selfish, perhaps because he sets too high a standard of conduct for the people around him.