hard adj.硬的；困难的；棘手的；坚强的；残酷的；用力的；液态的；严寒的；确凿的adv.努力地；强烈地；严重地；坚定地
left adj.左边的adv.向左n.左边；左派分子；【体】左手拳动词leave的过去式和过去分词形式.
双语例句
The two sisters supported their mother, one on the right and one on the left. 姐妹俩一左一右搀扶着母亲。
They grabbed his trousers, one on the right leg, one on the left, ripping right through to his winter long johns, and giving off a foul choking smell like burning brakes. 小球一左一右缠住泰勒的裤子进行撕扯，直到看见里面的保暖长内裤，然后释放出一阵如急刹车般令人窒息的臭气。
