戒备森严 jiè bèi sēn yán

DEFINITIONS

  1. heavily-guarded

CHARACTERS

戒 jiè
HSK 5
warn, caution, admonish
备 bèi
HSK 2
prepare, ready, perfect
森 sēn
HSK 4
forest; luxuriant vegetation
严 yán
HSK 4
strict, rigorous, rigid; stern