万头钻动 wàn tóu zuān dòng

DEFINITIONS

  1. milling crowds

CHARACTERS

万 wàn
HSK 3
ten thousand; innumerable
头 tóu
HSK 3
head; top; chief, first; boss
钻 zuān
HSK 6
drill, bore; pierce; diamond
动 dòng
HSK 2
move, happen; movement, action