This is the 5931st most frequent Chinese word.
大坑
"大坑" means "big pit" or "large hole."
Used to describe a literal large pit or hole in the ground.
这条道路旁边有一个大坑,非常危险。
There is a large pit beside this road, which is very dangerous.
Used metaphorically to describe a project or situation that might be perilous or disadvantageous.
这个项目是个大坑,参与的话风险很高。
This project is a big trap; participating in it poses high risks.
Used metaphorically to indicate a challenging or troublesome aspect.