深不见底 shēn bù jiàn dǐ

DEFINITIONS

  1. so deep one cannot see to the bottom
  2. limitless

CHARACTERS

深 shēn
HSK 4
deep; depth; far; very, extreme
不 bù
HSK 1
no, not; un-; negative prefix
见 jiàn
HSK 1
see, observe, behold; perceive
底 dǐ
HSK 4
bottom, underneath, underside