父子之间颇多的摩擦。

A considerable amount of friction between father and son.

因刹车产生的摩擦。

The friction of braking.

圣诞节时争吵和摩擦使我们想佯装平安无事变得徒劳可笑。

At Christmas, arguments and friction mock our pretence at peace.

表面越粗糙，摩擦力越大。

The rougher the surface, the greater the friction.

两国边境的摩擦在日益加剧。

Friction is increasing on the border between the two countries.