be sure和know for sure 区别

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be sure和know for sure 区别

be sure和know for sure 区别
be sure和know for sure 区别

be sure和know for sure 区别
be sure
确信,肯定
例句:
When you start the engine,be sure the car is in neutral.
你在发动引擎时,一定要让汽车处于空档.
Can I be sure of a profit if I invest?
我要是投资,肯定能获利吗?
He likes to be sure of his bodily comforts.
他注重身体上的舒适.
而Know for sure是指“知道确切的情况;确知”跟know for certain一样.
两者语气不同,前者更加确定,而后者比较偏中性!

,we can make it,but if farther away,it will be on Thursday. i don't know for sure. 我不确定。(可能知道,可能不知道) that all

know for sure 心里明白了、确定了
be sure确信、有把握

be sure
确信, 肯定
人作主语 表肯定
Know for sure
表人确信 未必是事实