lit. once you've shot the arrow, there's no getting it back (idiom) / fig. once you started sth, there's no turning back / to have to finish what one started / to be determined to reach one's goals in spite of setbacks
to open / to start / to turn on / to boil / to write out (a prescription, check, invoice etc) / to operate (a vehicle) / carat (gold) / abbr. for Kelvin, 開爾文|开尔文[Kai1 er3 wen2] / abbr. for 開本|开本[kai1 ben3], book format
to circle / to go back / to turn around / to answer / to return / to revolve / Hui ethnic group (Chinese Muslims) / time / classifier for acts of a play / section or chapter (of a classic book)
head / hair style / the top / end / beginning or end / a stub / remnant / chief / boss / side / aspect / first / leading / classifier for pigs or livestock / CL:個|个[ge4]