The horses' flanks were sheeted with blood and sweat.马的两肋遍布着血迹和汗水。The commander decided to attack the enemy on both flanks.指挥官决定从两侧对敌人发起进攻。This meant exposing his flanks to his political enemies.这就意味着将他的侧翼暴露在他的政治对手面前。They attacked the enemy on both flanks.他们从左右两翼夹攻敌人。