(not) a hair out of place
if someone does not have a hair out of place, their appearance is very tidy.
She was immaculate as ever, not a hair out of place.
英语词组固定搭配大全包含18674条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。