Chinese words with 吞 character meaning (HSK)

狼吞虎咽

LANG2, TUN1, HU3, YAN4
to wolf down one's food (idiom), to devour ravenously, to gorge oneself

吞吞吐吐

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