waists
Your waist is the middle part of your body where it narrows slightly above your hips.
Ricky kept his arm around her waist.
里基搂着她的腰。
The waist of a garment such as a dress, coat, or pair of trousers is the part of it which covers the middle part of your body.
She tucked her thumbs into the waist of her trousers.
她把拇指插进裤腰里。