1N-COUNT (桥、房顶等上的)矮护墙,女儿墙 A parapet is a low wall along the edge of something high such as a bridge or roof. (桥、房顶等上的)矮护墙,女儿墙
2PHRASE 冒险/避免冒险 If you say that someone puts their head above the parapet, you mean they take a risk. If you say they keep their head below the parapet, you mean they avoid taking a risk. 冒险/避免冒险 [British]
Word Link
Word Link
para ≈ guarding against : parachute, parapet, parasol