Your laces are undone.

你的鞋带松开了。

He knotted the laces securely together.

他把带子牢牢地系在一起。

She untied the laces on one of her sneakers.

她解开了她一只运动鞋的鞋带。

He pulled on his heavy suede shoes and tied the laces.

他穿上那双厚重的绒面革皮鞋并系好鞋带。

Barry was sitting on the bed, tying the laces of an old pair of running shoes.

巴里正坐在床上系一双旧跑鞋的鞋带。