also: まのよい
expression, i-adjective (yoi/ii class)
lucky; fortunate; timely; convenient
Describes a person who has a good sense of timing or a situation that occurs at just the right moment. Often used in the set phrase 間のいいことに (luckily / as luck would have it).
間のいいことに、バスがすぐに来た。
Luckily, the bus came right away.
彼は間のいい男で、いつもいいタイミングで現れる。
He's a lucky guy who always shows up at just the right time.
From 間 (ma, 'timing, interval') + の (possessive particle) + いい (ii, 'good'). The phrase literally means 'of good timing' and is used attributively.