harder than Chinese math adjective2 •(informal, humorous) Very difficult.Every game was sold out, and getting tickets was harder than Chinese math. — 2008 •(informal, humorous) Very hard (in the sense of physical rigidity).I can't tell you if it was the idea of more sex to come, or the position we were getting ready to get into that got me harder than Chinese math in seconds but I was ready for more. — 2008
