哇哇叫
Waul \Waul\, v. i. [Of imitative origin.] To cry as a cat; to squall; to wail. [Written also {wawl}.] The helpless infant, coming wauling and crying into the world. --Sir W. Scott.
waul v : make high-pitched, whiney noises [syn: {squall}, {wawl}]