matter of time

慣用表現不可算名詞

(idiomatic) An inevitable result; something that is bound to happen.

日本語の意味

必然的な結果、避けられない出来事 / いつかは必ず起こる、不可避な事態

It's only a matter of time before the old bridge collapses.

古い橋が崩壊するのは避けられない結果だ。

意味（1）

(idiomatic) An inevitable result; something that is bound to happen.

In a matter of time it would slip from my mind / In and out of my life, you would slip from my mind / In a matter of time