隱顯目標 yǐn xiǎn mù biāo

DEFINITIONS

  1. intermittent target

CHARACTERS

隱 yǐn hide, conceal; hidden, secret
顯 xiǎn manifest, display; evident, clear
目 mù
HSK 3
eye; look, see; division, topic
標 biāo a mark, symbol, label, sign; standard