Massage will help to tone up loose skin under the chin.

按摩有助于使颏下松弛的皮肤柔韧起来。

It's important to tone up and keep fit.

让她们进行调整保持状态是很重要的。

I've been trying to tone up at a health club.

我一直努力地在一家健康俱乐部里锻炼身体。

Swimming is the best way to tone up your body.

游泳是健体强身的最好方法。

Swimming is the best way to tone up your body.

游泳是增强体质的最好方法。