精 - refined, ghost, fairy

ejaculation

spirit; sprite; nymph

indolence; laziness; sloth

fairy; sprite; elf

being well versed (in); being well acquainted (with); being familiar (with); having a thorough knowledge (of); being an authority (on)

mental disorder; mental disability; mental illness

the best one can do; one's best effort

sperm; spermatozoon

mind; spirit; soul; heart; ethos

at the most; at best

semen; seminal fluid; sperm

exact calculation; squaring of accounts; adjustment