择不开

impossible to separate / impossible to disentangle / cannot take time out

to select / to choose / to pick over / to pick out / to differentiate / to eliminate / also pr. [zhai2]

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

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