skull and crossbones

1. N-SING A skull and crossbones is a picture of a human skull above a pair of crossed bones which warns of death or danger. It used to appear on the flags of pirate ships and is now sometimes found on containers holding poisonous substances. 骷髏標(biāo)志; 骷髏畫

Skull and crossbones stickers on the drums aroused the suspicion of the customs officers. 這些桶上貼的骷髏標(biāo)志引起了海關(guān)官員的懷疑。