二に君くんに仕つかえず

expression

one cannot serve two masters

Proverb meaning a person cannot be loyal to two different authorities or causes at the same time.

• 二に君くんに仕つかえずという言こと葉ばがあるように、同どう時じに二人ふたりの上じょう司しに仕つかえるのは難むずかしい。

  As the saying goes, 'one cannot serve two masters'; it is difficult to serve two bosses at the same time.