run over1.在…上駛過；(撞倒後)輾過：A boy was run over by a truck and got killed immediately.一個男孩被一輛卡車從身上壓過去，當即死亡。2.溢位：The water is running over the edge of the bathtub.水從澡盆的邊緣溢位。3.超過：We try our best to limit our expenditure to the original sum,but we may run over by a few pounds.我們儘量把開銷限制在原定的數目之內，但可能會超出幾鎊。4.(使)在…上掠過；迅速瀏覽，掃視：The teacher ran over his notes before the lecture.教師在講課前先看一眼講稿。5.複習；排練：She will run over her lines in the evening.她將在晚上排練一次她的臺詞。run down1.往下跑：Don"t run down the stairs. Just walk down slowly.下樓梯時別跑，慢慢走下去。2.往下流：All rivers run down to the sea.條條河水向下流入大海。3.停止運轉；停產；耗盡：The battery in my car ran down this evening.我的汽車裡的蓄電池今天晚上用完了。My watch has run down.我的錶停了。4.(健康)衰退；虛弱：His father is terribly run down and is unfit for work right now.他的父親非常虛弱，不適於立刻就上班。
run over1.在…上駛過；(撞倒後)輾過：A boy was run over by a truck and got killed immediately.一個男孩被一輛卡車從身上壓過去，當即死亡。2.溢位：The water is running over the edge of the bathtub.水從澡盆的邊緣溢位。3.超過：We try our best to limit our expenditure to the original sum,but we may run over by a few pounds.我們儘量把開銷限制在原定的數目之內，但可能會超出幾鎊。4.(使)在…上掠過；迅速瀏覽，掃視：The teacher ran over his notes before the lecture.教師在講課前先看一眼講稿。5.複習；排練：She will run over her lines in the evening.她將在晚上排練一次她的臺詞。run down1.往下跑：Don"t run down the stairs. Just walk down slowly.下樓梯時別跑，慢慢走下去。2.往下流：All rivers run down to the sea.條條河水向下流入大海。3.停止運轉；停產；耗盡：The battery in my car ran down this evening.我的汽車裡的蓄電池今天晚上用完了。My watch has run down.我的錶停了。4.(健康)衰退；虛弱：His father is terribly run down and is unfit for work right now.他的父親非常虛弱，不適於立刻就上班。