炼之未定

to spend a long time thinking about sth while unable to reach a decision

to refine / to smelt

variant of 鏈|链[lian4], chain / variant of 煉|炼[lian4]

(possessive particle, literary equivalent of 的[de5]) / him / her / it

not yet / did not / have not / not / 8th earthly branch: 1-3 p.m., 6th solar month (7th July-6th August), year of the Sheep / ancient Chinese compass point: 210°

undecided / indeterminate / still in doubt

to set / to fix / to determine / to decide / to order