时间在英语中如何用宁外一种方式表达,象 it is six thirty.it is five fifty .and it is four foutyfive我要说四点一刻,五点半,九点四十五,不用类似于it is five thirty这种方式.

it is four fifteen -- it is a quarter past four
it is five thirty -- it is half past five -- it is half to six
it is nine forty-five -- it is a quarter to ten

it is six thirty.
->It is half past six.
it is five fifty .
->It is ten to six.
and it is four foutyfive
->It is a quater to five.