My sister just sat there sipping from her teacup while the rest of us argued.

How to say “My sister just sat there sipping from her teacup while the rest of us argued.” in Japanese

In Japanese

みんなが言(い)い合(あ)ってるのに、姉(あね)だけ知(し)らん顔(かお)でティーカップの紅茶(こうちゃ)をちびちび飲(の)んでたよ。

Minna ga iiatteru noni, ane dake shiran kao de tīkappu no kōcha o chibichibi nondeta yo.

My sister just sat there sipping from her teacup while the rest of us argued. in other languages