いつの間にか

いつのまにか

before one knows, before one becomes aware of, unnoticed, unawares

いつの間にやら

いつのまにやら

unawares, unnoticed, before you know it

間に立つ

あいだにたつ

to mediate, to intervene

ついこの間

ついこのあいだ

just the other day, quite recently

つかの間

つかのま

moment, brief time, brief, transient

間に

あいだに まに

while, during (the time when)

間に合い

まにあい

makeshift

間の間

あいのま

room connecting the two main rooms of a building, intermediate room

間のいい

まのいい

lucky; fortunate; timely; convenient

時間のたつ

じかんのたつ

passage of time, perceived time, relative time

いつもの様に

いつものように

as usual; as always; like always

いつの日にか

いつのひにか

one of these days, someday

波間に

なみまに

on the waves

時間が経つにつれて

じかんがたつにつれて

as time passes; with the passing of time; with time

いつもの通りに

いつものとおりに

as always

いつの時代にも

いつのじだいにも

in all ages, over the ages, forever and ever

知らない間に

しらないあいだに しらないまに

at some time, without being noticed, before one knew, before one realised

間に合う

まにあう

to be in time for

間に入る

to act as an intermediary; to step in; to come between; to intervene; to interject