1:05 five past one 2:10 ten past two 3:15 a quarter past three 4:20 twenty past four 5:25 twenty- five past five 6:30 half past six 7:35 twenty-five to eight 8:40 twenty to nine 9:45 a quarter to ten 10:50 ten to eleven 11:55 five to twelve quarter 一刻钟,15分钟 half 一半 ,半小时 小于30分钟用past(超过) 大于30分钟用to (到下一个点钟)