底细

inside information / the ins and outs of the matter / how things stand / what's up

(equivalent to 的 as possessive particle)

background / bottom / base / end (of the month, year etc) / remnants / (math.) radix / base

thin or slender / finely particulate / thin and soft / fine / delicate / trifling / (of a sound) quiet / frugal

basal cell carcinoma