细密

细密	xì mì	fine (texture) / meticulous; careful; detailed
细	xì	thin or slender / finely particulate / thin and soft / fine / delicate / trifling / (of a sound) quiet / frugal
密	Mì	surname Mi / name of an ancient state
密	mì	dense; close; thick / intimate; close / (bound form) secret; confidential / (Internet slang) to send a private message to (sb); to DM