他们肩并着肩站着。

They were standing shoulder to shoulder.

《新英汉大辞典》

他们肩并着肩走在人行道上。

They walked on the sidewalk, side by side.

youdao

肩并着肩，手拉着手。

Their shoulders touch, then they reach for each other’s hands.

youdao

肩并着肩，手拉着手。

Their shoulders touch, then they reach for each other’s hands.

youdao