听妖
幼苗
共回答了19个问题采纳率:89.5% 举报
当knock off和knock over同时在表示“撞倒”意思的时候,knock over一般就是指撞倒(+ed被动),比如说A boy was knocked over by a passing car but was fortunately unhurt.而knock off则指从某个地方(被)撞倒,如A boy was knocked off his bike by a passing car but was fortunately unhurt
1年前
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