đêm

night, especially late night after 9 PM, including the wee hours of the morning; the overnight hours; compare tối (“evening/night right after dark, about 6 to 8 PM”)

nhức nhối

achy

nỗi niềm

innermost feelings

riêng

• Adj

  1. private; personal
  2. distinct; specific; separate; particular

• Prep

khôn

• Adj

  1. wise, smart
  2. clever; street-smart
  3. sapient

• Adv
• Noun

tả

• Noun

  Short for dịch tả (“cholera”).

• Verb
• Adj

nhức

ache

niềm

feeling; sentiment (usually a positive one, cf. nỗi)