month       
noun [ C ] uk/mʌnθ/ us/mʌnθ/
A1 月;一个月的时间
a period of about four weeks, especially one of the twelve periods into which a year is divided
  I'll be away for a month from mid-June to mid-July. 我要在6月中旬至7月中旬离开一个月。 
 February is the shortest month. 2月是最短的月份。 
 a two-month-old puppy 两个月大的一只小狗 
 The project will be finished in the next few months (= quite soon). 这项计划将在接下来的几个月中完成。 
 They haven't been in contact with me for months (= a long time). 他们已经有几个月没和我联系了。 
 Students have two months' vacation during the summer. 学生每年夏天有两个月的假期。 
 - More examples
 - Her sculptures will be on show at the museum until the end of the month.
 - We spent a month touring round Kenya.
 - There's still a whole month till my birthday.
 - Sophie took her first steps when she was eleven months old.
 - We enjoy being able to eat outside during the summer months.
 
Idiom   
not in a month of Sundaysidiom  很可能不会发生
If you say that something will not happen in a month of Sundays, you mean that it is very unlikely to happen.
  He's never going to get that finished in a month of Sundays! 他才不会把它完成呢!