YOU SAID:

My stepsister isn't letting me touch her dinging

INTO JAPANESE

私の義理の妹は彼女の鳴き声に触れさせない

BACK INTO ENGLISH

My sister-in-law doesn't let her cry

INTO JAPANESE

義理の妹は泣かせない

BACK INTO ENGLISH

My sister-in-law can't cry

INTO JAPANESE

義理の妹は泣けない

BACK INTO ENGLISH

My sister-in-law can't cry