不高不矮不胖不瘦不三不四，没前没后没脸没皮没心没肺。

Neither tall nor short not fat or thin no three no four, no any heart not ashamed after not before.

youdao

“首先，不胖的人不会患由肥胖症诱发的心脏病，”他说，“一个瘦的人会由于其他原因而患心脏病，而他/她的病情比由肥胖症引发的心脏病患者的病情更糟，不胖不代表不会得心脏病。”

A thin person is getting it [heart disease] for a different reason, so he or she is getting a worse form of the disease, getting the disease despite being thin.

youdao

不胖也不瘦：富客户机。

Not too fat, not too thin: the rich client.

youdao

不胖也不瘦：富客户机。

Not too fat, not too thin: the rich client.

youdao