是時(shí)候的用法和樣例：
例句
-
現在房?jì)r(jià)很低，買(mǎi)房子正是時(shí)候。
House prices are low; it's a good time to buy. -
現在正是時(shí)候。
There is no time like the present. -
他來(lái)得不是時(shí)候。
He came at an unfortunate time. -
他們來(lái)得很不是時(shí)候，我們剛開(kāi)始吃飯。
They arrived at an inconvenient time ---we had just started the meal. -
時(shí)間差不多了／是時(shí)候了。
It's about time.
