expression, noun
good thing; nice thing
General expression for something beneficial, pleasant, or desirable. Often used in everyday conversation.
See also: いい事 (いいこと)
今日は良いことがあった。
Something good happened today.
運動は体に良いことだ。
Exercise is a good thing for your body.
expression, noun
good excuse; good opportunity
Used in the pattern 〜を良いことに(して) meaning 'taking advantage of ~' or 'using ~ as a good excuse'. Often implies exploiting a situation.
See also: いい事 (いいこと)
彼は休暇を良いことに、海外旅行に行った。
He took advantage of his vacation to go on an overseas trip.
親が留守なのを良いことに、
interjection
Listen!; You know what?; Guess what!
Interjection used to get attention or urge a response, often in casual female speech. Similar to 'hey, guess what' or 'you know what'.
See also: いい事 (いいこと)
良いこと、良いこと！聞いてよ。
Hey, guess what! Listen to this.
Taking advantage of his parents being away, he invited friends over and had a party.
More casual and colloquial than 良いこと. Often used in the same patterns, but いいこと is more common in spoken Japanese.
Phrase composed of 良い (good) and こと (thing, matter). The interjection sense likely developed from the idea of presenting something as a 'good thing' to share.