英汉解释

增强；提高（声调等）；使更健康

同义词

v. strengthen，tone

参考例句

1. More exercise and a change of diet will tone up your body.
多进行锻炼并改变饮食会使你身强体壮。
2. Shall I tone up the color? It's a little bit dull.
要不要我改善（强）张画的色调？（张画的色调）起来有点暗。
3. If you want to tone up your legs, use the treadmill.
如果想减腿上的肉，就使用跑步机吧。

英英解释

v.
  1. give a healthy elasticity to

网络释义

tone up
增强; 增益;
Skin Tone- Up
演绎出透明靓丽的皮肤;
boost up buildup gather head swell tone tone up
增强;
Start-up tone
开机铃声;
WAKUP WAKe UP tone
唤醒音;