powder-keg

英 ['paʊdərk'eɡ] 美 ['paʊdərk'eɡ]

• n. 火药桶; 形势危急可随时触发暴力的地区

英英释义

名词 powder keg:

1. a potentially explosive state

2. keg (usually made of metal) for gunpowder or blasting powder