含在嘴里怕化了捧在手上怕摔了

含在嘴里怕化了，捧在手上怕摔了

Literally means:

afraid to melt it when holding it in the mouth, while afraid to drop it when holding it in hands; over spoil (one's child).

Actually means:

化 here means dissolving by saliva; 摔 means dropping to the ground.

This phrase figuratively means adoring one's child to the extent of spoiling.

It also figuratively means loving one's lover (especially a woman） very much.

化，指被唾液溶化。摔，指掉到地上。

含在嘴里怕化了，捧在手上怕摔了，形容对孩子的疼爱过头了，达到娇惯的程度。

也形容对所爱的人（特别是女人）特别疼爱。