以示警戒 yǐ shì jǐng jiè

DEFINITIONS

  1. to serve as a warning (idiom)

CHARACTERS

以 yǐ
HSK 2
by means of; thereby, therefore; consider as; in order to
示 shì
HSK 4
show, manifest; demonstrate
警 jǐng
HSK 4
guard, watch; alert, alarm
戒 jiè
HSK 5
warn, caution, admonish