頭ず上じょう注ちゅう意いMeaningsExpression1. Watch Your Head (on signage)Kanji used頭head上above注pour意ideaComposed of頭ず上じょうoverhead; above one's head; high in the skyNoun注ちゅう意いattention; notice; heed; care; caution; precaution; looking out (for); watching out (for); advice; warning; …Noun