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.
Do you always write left-handed? 你一向用左手写字吗?
As a result of a serious illness, she couldn't move her left leg. 患重病后,她的左腿不能动了。
用作副词 (adv.)Turn left here. 这里左转。
用作名词 (n.)Britain cars are driven on the left. 在英国汽车靠左侧行驶。
She was sitting immediately to my left. 她挨着我坐在我的左边。
Many members of the left have been arrested. 许多左派成员被捕。
He knocked down his opponent with a powerful left. 他一记有力的左手拳将对手击倒。
left和right虽是简单的“左”和“右”，但也有特别之处：就河的两岸而言，right bank指的是向下游看在右面的，而left bank是在左面的，好比长江从西向东流时，其南岸和北岸分别为right bank和left bank。在照片或图画中，为了依照欣赏画和照片的人的左右，画中的left是right，而right是left；
在简单的表示“左”或“右”的方位时，只可以用on the left/right，不可用at the left/right；
on one's left/right有时可用on the left/right，at one's left/right，或是to one's left/right等表达方式来替换，不过在表示较长的距离时，习惯上用to。 The author is seated in the centre, his son is on his left, and his daughter is on his right.The author is seated in the centre, his son is at his left, and his daughter is at his right.这个作家坐在正中间，左边是他的儿子，而右边是他的女儿。
在作为leave的过去式时，left可表示“剩余的，遗留的，未使用的”等意思。 What did you do with the money that was left?你把剩余的钱做什么处理了?
n.(名词)left的基本意思是“左”,可指“左边,左侧,左部”,是不可数名词。
表示“左翼,社会主义拥护者”时,常与the连用,且大写,是集体名词;在强调整体时,谓语动词用单数形式;强调成员个体时,谓语动词用复数形式。
adj.(形容词)left的基本意思是“左侧的,左边的,左面的,左方的”,在句中常作定语。引申则表示“左翼的,左倾的”,在句中常作表语。
left只有表示“左翼的,左倾的”时,才有比较级和最高级(lefter, leftest或more left, most left)。
left还可作副词,表示“向左,在左边(towards or in favor of the left)”。例如:He looked left and right.他左右看看。Eyes left.向左看齐!Left turn.向左转!I've been looking for it left, right and centre—where did you find it?我前后左右都找遍了——你是在哪儿找到的?I seem to have disappointed them left, right and centre recently.最近，我似乎在各方面都使他们失望。
