you just cannot tell what kind of merit he has,but also cannot let anyone take place of him The face is not really beautiful,but just can be got rid of........ take place of代替 get fid of 摆脱
Somebody is that kind of people who have some advantage that we can't find,but nobady can take the place of him.(him用her也可以) It is that kind of face that isn't especially nice that impresses people deeply.