| 释义 | know all there is to know about somethingidiom approving
 to know a lot about a subject or activity, or be very good at it对某科目很擅长;对某活动很了解
 SMART Vocabulary: related words and phrases
 Learning & knowing
 absorptive capacity
 achievement gap
 acquirable
 acquire
 acquisition
 bone
 hit the booksidiom
 know better (than to do something)idiom
 know something from something
 know something like the back of your handidiom
 know your way around somethingidiom
 language acquisition
 orientation
 recognition
 recognize
 study under someone
 subskill
 subspeciality
 subspecialize
 subspecialty
 
 
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