YOU SAID:

The little boy is sniggering

INTO JAPANESE

小さな男の子はくすくす笑っています

BACK INTO ENGLISH

Little boy is smirking

INTO JAPANESE

小さな男の子が笑っています

BACK INTO ENGLISH

Little boy is laughing

INTO JAPANESE

小さな男の子が笑っています

BACK INTO ENGLISH

Little boy is laughing