吞吞吐吐

to hum and haw (idiom); to mumble as if hiding sth / to speak and break off, then start again / to hold sth back

to swallow / to take

to take in and send out (in large quantities)

to spit / to send out (silk from a silkworm, bolls from cotton flowers etc) / to say / to pour out (one's grievances)

to vomit / to throw up