改用英语: 6:50 7:40 8:00 12:10 4:15 5:20 6:30 9:30

6:50 ten to seven
7:40 twenty to eight
8:00 eight o'clock
12:10 ten past twelve
4:15 a quarter past four
5:20 twenty past five
6:30 half past six
9:30 half past nine

其实时间都可以直接说数字,外国人经常那么说,
如:6:10 It's six ten 9:30 It's nine thirty.

ten to seven
twenty to eight
eight
ten past twelve
fifteen past four
twenty past five
half past six
half past nine

ten to seven
seven forty
eight o'clock
ten past twelve
a quarter after four
twenty after five
half past six
half past nine /nine thirty

ten to seven
seven forty
eight o'clock
ten past twelve
a quater past four
five twenty
half past six
half past nine