Don't scold him,he just lacks experience.

别训斥他了，他只是没经验而已。

Don't scold him, he's nothing but a child.

不要责骂他，他只不过是个孩子。

E. g. Don't scold him. He is just a child.

别责备他，他只是个孩子。

Easy on John and don't scold him too much.

对约翰不要操之过急，别过分责骂他。

Alex and don't scold him too much, said Mrs.

对亚历克斯耐心点，别过于责骂他。

Don't scold him too much; he is at best a child.

不要太责骂他；他只不过是个孩子。

E. g. Don't scold him; he is a little child after all.

别责怪他了，他毕竟还是个孩子。