輕吹,嘮叨輕吹,嘮叨嘟嘟地發出
Tootle \Too"tle\, v. i. [imp. & p. p. {Tootled}; p. pr. & vb. n. {Tootling}.] [Freq. of toot.] To toot gently, repeatedly, or continuously, on a wind instrument, as a flute; also, to make a similar noise by any means. ``The tootling robin.'' --John Clare.
tootle n : sound of tooting softly and repeatedly as on a flute v : toot continuously; "tootling car horns"