harum-scarum

adj (infml 口) (of a person or his behaviour) wild and reckless （指人或其行为）莽撞的, 冒失的.

harmonize, harmonize, harmonise, harmony, harness, harp, harpist, harpoon, harpsichord, harpy, harridan, harrier, harrow, harry, Harry Emerson Fosdick, Harry S. Truman, harsh, harshly, harshness, hart, hartebeest, Harvard, Harvard University, harvest, harvest festival, harvest home, harvest moon, has, has-been, hash, hashish, hasp, hassle, hassock, haste, hasten, hastily, hastiness, hasty, hat, hat trick,