校正
to proofread and correct; to edit and rectify; to correct; to calibrate
矫正
to correct; to rectify (e.g. a physical defect such as hearing or vision); to cure; rectification; correction; to straighten
校正子
proofreader and corrector
脚正不怕鞋歪
lit. a straight foot has no fear of a crooked shoe; an upright man is not afraid of gossip (idiom)
头角峥嵘
promise of brilliant young person (idiom); showing extraordinary gifts
齿列矫正器
see 牙齒矯正器|牙齿矫正器[ya2 chi3 jiao3 zheng4 qi4]