1) It is on the stroke of four.
现在是四点整。
2) It's one o'clock sharp.
现在一点整。
3) It's a quarter past five.
现在是五点一刻。
4) It's seven sharp.
现在是七点正。
5) Now what time is it?
现在是几点钟了？
6) It's three o'clock.
现在是三点钟。
参考词条