He was playing by swinging the tree branch.

He is assuming the air of an intellectual.

They (referring to women or girls) are my best friends.

It's very fun to work with my fellow servants.

Shall we throw a party at my place tonight?

Bokuzo is my best friend.

He always likes to be pedantic, explaining things down to the smallest detail.

She is good at being prudish.

He was putting on airs in his new suit.

This is my favorite furikake.