猛(もう)犬(けん) moukenに ni注(ちゅう)意(い) chuui! Beware of the dog! animalssigns and notices~に注意 (beware of)verb ellipsis
落(らっ)下(か)物(ぶつ) rakkabutsuに ni注(ちゅう)意(い) chuui! Beware of falling objects! warningssigns and noticesadvice and suggestions~に注意 (beware of)