waistline汉语翻译：
n. 腰围
【医】 腰围英语解释：
名词 waistline:

the narrowing of the body between the ribs and hips同义词：waist

例句：

I will have to inset an additional piece of material into the waistline of my dress to make it large enough for me.我得在我的衣服腰身处再加上一块布料，把衣服放大点，使它合体。

Catch in the waistline lightly so that it doesn't show.稍微收一点腰围，这样看不出来。

详细解释：
waist.line
n.（名词）
A line thought of as encircling the body at the waist.
腰线：假设围住身体腰部的线
The measurement of this line.
腰围尺寸：这条线的长度
The point or line at which the skirt and bodice of a dress join.
腰部：裙子和衣服胸衣接合部位的点或线
The part of a garment that covers the narrowest part of the waist or the part above or below it as the current fashion demands.
腰身部分：衣服盖住腰的最细部位或随当前款式要求腰上或腰下的部分