将年幼的孩子单独留在家里是违法的。
It's ___against ___the ___law to leave a young child alone in the house.
直到那一刻,玛丽还以为她的叔叔和他的朋友们是走私犯,在做违法的事情。
Until that moment, Mary thought her uncle and his friends were smugglers and were doing things ___against ___the ___law.
无证驾驶是违法的。
Driving without a license is ___against ___the ___law.