YOU SAID:

the kangaroo finished knitting his mittens

INTO JAPANESE

カンガルーを両手にミトンを編み終えた

BACK INTO ENGLISH

I finished knitting mitten with kangaroo in both hands

INTO JAPANESE

...彼女はソレを両手で持ち

BACK INTO ENGLISH

She had it in both hands.

INTO JAPANESE

...彼女はソレを両手で持ち

BACK INTO ENGLISH

She had it in both hands.