knock down、knock over和knock off的区别。具体一点。谢谢 knock off和 knock over 有什么不同

knock down\u3001knock over\u548cknock off\u7684\u533a\u522b\u3002\u5177\u4f53\u4e00\u70b9\u3002\u8c22\u8c22

knock down\uff1a\u62c6\u5378; \u51fb\u5012; \u62d2\u7edd; \u964d\u4ef7
knock over\uff1a\u6253\u7ffb\uff0c\u649e\u5012\uff1b\u5403\u60ca\uff0c\u6253\u8d25\uff0c\u5077\u7a83\uff0c\u53bb\u9664\uff0c\u6d88\u9664\uff0c\u4f7f\u6df1\u53d7\u611f\u52a8\uff0c\u5403\u6389
knock off\uff1a\u4f7f\u51cf\u5c11;\u6740\u6b7b;\u4e0b\u73ed;\u5077

\u5f53knock
off\u548cknock
over\u540c\u65f6\u5728\u8868\u793a\u201c\u649e\u5012\u201d\u610f\u601d\u7684\u65f6\u5019,knock
over\u4e00\u822c\u5c31\u662f\u6307\u649e\u5012\uff08+ed\u88ab\u52a8\uff09,\u6bd4\u5982\u8bf4A
boy
was
knocked
over
by
a
passing
car
but
was
fortunately
unhurt.\u800cknock
off\u5219\u6307\u4ece\u67d0\u4e2a\u5730\u65b9\uff08\u88ab\uff09\u649e\u5012,\u5982A
boy
was
knocked
off
his
bike
by
a
passing
car
but
was
fortunately
unhurt.knock
off:
knock
off
\u6253\u7ffb;\u649e\u5012
\u649e\u5012;\u6253\u6389
The
little
girl
knocked
the
glass
off
by
accident.\u5c0f\u5973\u5b69\u4e0d\u5c0f\u5fc3\u78b0\u843d\u4e86\u73bb\u7483\u676f.
\u51cf\u53bb
They
knocked
off
five
dollars
from
the
price.\u4ed6\u4eec\u628a\u4ef7\u683c\u964d\u4f4e\u4e86\u4e94\u7f8e\u5143.
\u505c\u6b62;\u6b47\u5de5
Let's
knock
off
now.\u54b1\u4eec\u73b0\u5728\u6b47\u4e00\u4f1a\u513f\u5427.
knock
over
\u6253\u7ffb;\u649e\u5012
He
knocked
a
glass
over.\u4ed6\u628a\u73bb\u7483\u676f\u6253\u7ffb\u4e86.
\u4f7f\u60ca\u5947
She
was
knocked
over
by
the
news.\u5979\u88ab\u90a3\u6d88\u606f\u60ca\u5446\u4e86.
\u6d88\u9664
We
have
knocked
over
every
difficulty.\u6211\u4eec\u5df2\u6392\u9664\u79cd\u79cd\u56f0\u96be

knock down、knock over、knock off的区别为：意思不同、用法不同、侧重点不同。

一、意思不同

1、knock down：推倒。

2、knock over：撞翻。

3、knock off：使减少。

二、用法不同

1、knock down：knock用作名词的基本意思是“狠狠的一击，打击”，用于比喻可指“不幸，挫折，艰苦”，引申可指“敲击声，敲击信号”。knock是抽象名词，但却可数，可加不定冠词修饰，也可用复数形式，表示复数概念。

2、knock over：knock的基本意思是用手、拳等硬物“敲打”，指出声地、连续地猛击，引申可指发出敲击或爆裂的声响。还可表示“批评”“数落”“非难”。

3、knock off：表示为“削减”“挖成”“刻成”“与…相交”“使(某人)感到疼痛或痛苦”“缺席”“停止”等。

三、侧重点不同

1、knock down：侧重于表现倒下这一动作。

2、knock over：侧重于表现翻到这一动作。

3、knock off：侧重于表示削减，与另两个完全不同。

knock sb down from sth = knock sb off sth 撞下
knock down sth 撞到
knock over 打翻 撞翻