時じ間かんの問もん題だい

expression, noun

matter of time; question of time

Used to say that something will inevitably happen, and only the timing is uncertain. Often appears in the pattern ～は時間の問題だ.

• 彼かれが成せい功こうするのは時じ間かんの問もん題だいだ。

  It's only a matter of time before he succeeds.

• この古ふるい橋はしが崩くずれるのも時じ間かんの問もん題だいだろう。

  It's probably just a question of time until this old bridge collapses.