a good/great many
1. 很多
There are a good many people in the hall.
大厅里有很多人。
as many as
1. 和……一样多
You may take as many as you want.
你要多少就可拿多少。
many a
1. 许多的
We've been here many a time.
我们这儿已来过多次。
习惯用语a good[great] many1.很多, 相当多as many1.一样多的, 同样数目的as many again1.两倍的, 加倍的; 同样多的as many as1.多至; 整整(一般指数目字而言)2.(后接动词, 作 all who 解)凡...都...be one too many1.不需要的; 多余的be(one) too many for sb.1.胜过[优于]某人half as many again1.多半倍, 一倍半in so many words1.确切地这样(说)like [as] so many1.象许多人一样; 象同数的...一样many a [an, another]1.[后接单数名词]好些, 许多many a time1.多次many's the time1.曾有多少次not so many as1.没有...那么多, 少于one too many1.多余, 碍手碍脚2.[美俚]足以使人醉倒的酒; 使人醉倒的最后一杯酒so many1.某一数目的, 若干2.同样数目的3.那么多的the many1.多数人; 人民大众