a.

1. 每一，每个；一切的，全部的
   Mr. Miller searched every room in the house.

   米勒先生搜查了这栋房子里的所有房间。

   The library is open every day.

   图书馆每天都开。

   Not every horse can run fast.

   并非每匹马都能跑得快。

2. 每隔……的
   She visits her parents every few days.

   她每隔几天看望她父母亲一次。

3. 一切可能的，充分的
   You have every reason to try it once more.

   你有充分的理由再试一次。

   They showed us every consideration.

   他们对我们关心备至。

det.

1. used to refer to all the individual members of a set without exception.
   ▸all possible; the utmost.
2. used to indicate how often something happens.