3.put/stick your head above the parapetBritish EnglishBrE to take a risk 冒险
Examples from the Corpus
parapet• The double-deckersmashed through a fence and ended up perched precariously on a bridge parapet at Brighouse, West Yorkshire.• Once you put your head above the parapet these people clearly shot at it.• As he reached the foot of the bleak stone steps, a singlegunman opened fire from the parapet around the stairway.• I got up and went to the corner of the parapet, from where I could see in three directions.• I shifted unobtrusively, to crane a look over the parapet.• Choir and audiencewave to each other when the singing is over, some of the little boysleaning perilously over the parapets.• Corrigan watched the parapet above them.
Originparapet
(1500-1600)Italianparapetto, from parare“to protect” + petto“chest”