i suppose between 9 and,let me see,half-past,before i leave for the college.

问题描述:

i suppose between 9 and,let me see,half-past,before i leave for the college.
请翻译一下这句话,还有那个half-hast怎么解释呢,

我估计在9点……让我想想,到9点半间,然后我离开了学校
half-past(nine)