expression, ichidan verb
speculate; make an educated guess; gamble on a prediction
Used when someone makes a calculated guess or takes a chance based on intuition or limited information, often in contexts like exam predictions, betting, or strategic decisions. Similar to 山を張る.
See also: 山を張る
試験に出そうな問題を山をかけて勉強した。
I studied by making an educated guess about which questions would appear on the exam.
彼は競馬で山をかけて大金を失った。
He gambled on a horse race and lost a lot of money.