YOU SAID:

The bee's knees are actually not their own.

INTO JAPANESE

ミツバチの膝は実際には自分のものではありません。

BACK INTO ENGLISH

The knees of bees are not really their own.

INTO JAPANESE

ミツバチの膝は本当に彼ら自身のものではありません。

BACK INTO ENGLISH

The knees of bees are not really their own.