huǒ​yào​tǒng

powder keg

Senses

火药桶/ 火藥桶 huǒ​yào​tǒng powder keg

a metal bucket or barrel filled with gunpowder

火药桶/ 火藥桶 huǒ​yào​tǒng powder keg (figurative)

a person, place, or situation that is extremely dangerous and could explode or erupt into conflict at any moment

References

classifier 火药桶/火藥桶 个/個