2点15分 =a quarter past two 一刻种是a quarter。 而且这个冠词a是不能省略的!
2点15分 = quarter past two
3点50分 = ten to four
a quarter past two, three fifty (ten to four)
a quarter past two
ten to four
half onequarter past threehalf threequarter past twoquarter to twoquarter to three