Japanese by Example
Learning through examples in manga

More than one can handle with 荷が重い

力量(りきりょう)にくらべて、負担(ふたん)責任(せきにん)(おお)()ぎる。

The burden and responsibility are too great compared to the degree of ability to get things done.

Goo Dictionary

()(おも) is used when one’s responsibilities exceed one’s capable of handling those responsibilities.

A similar idiom in English is to “have too much on one’s plate”.

Examples