分

(study of) psychoanalysis

half-florescent; half-bloomed

centrifugation; centrifugal separation

disposition

a fourth; quarter

Vernal Equinox Day (national holiday; March 20 or 21); Spring Equinox Day

administrative measures (disposition)

structural component

good idea; wise policy

to feel blue; to feel depressed

complete change of mood; thoroughly refreshing one's spirits

distribution of wealth

Mathematics

prime factorization; prime decomposition

dagger

chemical analysis

taking a picture or video of oneself

by day and night; day and night; round the clock

Noun or participle which takes the aux. verb suru

quick understanding; catching on quickly

Usu. in titles

(beginner's) guide; easy guide (to); quick start guide; handbook

Mathematics

intersection (of sets); common set

six to four ratio; sixty-forty

increment; addition; (amount of) increase

preliminary inspection; preliminary examination

paying for oneself; (at) one's own expense

Proverb

tread on a worm and it will turn; even a tiny bug will defend itself; even the weakest and smallest beings have their own wills, so do not make light of them