一吐為快

to get sth off one's chest

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

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

as (in the capacity of) / to take sth as / to act as / to serve as / to behave as / to become / to be / to do / by (in the passive voice)

because of / for / to

rapid / quick / speed / rate / soon / almost / to make haste / clever / sharp (of knives or wits) / forthright / plainspoken / gratified / pleased / pleasant