微力ながら

びりょくながら

to the best of one's meager ability; the little help one can be; though my help might not be worth much

微小重力

びしょうじゅうりょく

microgravity

微微

びび

slight, insignificant, small

微生物生存力

びせいぶつせいぞんりょく

microbial viability

微

び

minuteness

微衷

びちゅう

one's innermost thoughts (feelings)

微吟

びぎん

reciting poetry or singing in a soft voice

微醺

びくん

slight intoxication

微速

びそく

very slow speed

微禄

びろく

small stipend

微分

びぶん

differential (e.g. calculus)

顕微

けんび

microscopic

紫微

しび

Purple Forbidden Enclosure (group of constellations in the northern sky associated with the emperor)

機微

きび

subtleties, niceties, delicate signs, inner workings

微意

びい

small token (of gratitude), my (humble) feelings

微塵

みじん びじん

particle, atom, little piece

微か

かすか

faint, dim, weak, slight, vague, indistinct, hazy

微妙

みみょう びみょう

delicate, subtle, sensitive

微震

びしん

slight earthquake