因頭髮長長而消失
to disappear as your hair grows
I had a perm a year ago and it still hasn't grown out.我一年前燙的發,現在髮型依舊。
grow sth out
讓頭髮長長以變換髮型
to allow your hair to grow in order to change the style
I've decided to grow my layers out.我決定留長髮好讓層次消失。
釋義來自《牛津高階英漢雙解詞典》第 9 版