不值一笑

of no value / worthless

no; not so / (bound form) not; un-

not worth

value / (to be) worth / to happen to / to be on duty

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

old variant of 笑[xiao4]

laugh / smile / CL:個|个[ge4]

to laugh; to smile / to laugh at