吞吞吐吐 [ㄊㄨㄣ ㄊㄨㄣ ㄊㄨˇ ㄊㄨˇ; tun1 tun1 tu3 tu3] to hum and haw (idiom); to mumble as if hiding sth to speak and break off, then start again to hold sth back ◄ ►