请问keep back和keep from 都有阻止的意思,有什么区别吗?

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请问keep back和keep from 都有阻止的意思,有什么区别吗?
请问keep back和keep from 都有阻止的意思,有什么区别吗?

请问keep back和keep from 都有阻止的意思,有什么区别吗?
keep back:eg.1、阻止,阻挡 The police tried to keep the crowd back from the injured man.警察试图挡住人群,不让他们靠近受伤的人.2、隐瞒,保留 He can keep nothing back from his friends.他向朋友什么也瞒不住.3、扣下;留下 The boss keeps back $50 a month towards my uniform.老板每月扣我50美元服装费.keep from:v.阻止,抑制,预防 vt.避而不,避开;对...隐瞒 eg.keep free from:是“远离”或“避免”的意思 keep free from emotional reactions :避免激动的反应 keep free from restrictions :避免受到限制