虽然 “hard” 和 “hardly” 从拼写上看只差两个字母，但它们的意思和用法却大相径庭。其中，“hard” 作形容词时的主要意思包括 “坚硬的”、“困难的” 和 “辛苦的”，作副词时可以表示 “努力地”；“hardly” 是副词，表示 “几乎不”。
 
Hi, I'm Phil, and I'm going to tell you about the difference between hard and hardly.
Hard, we can use it in lots of different ways, but it usually means strong, difficult or intense.
"Ow – that ball is hard."
"Calculus is hard."
"That was really hard work."
Hardly is an adverb and it can mean 'almost not'.
"This is too small. I can hardly read it."
We can use it with ‘any’ to talk about quantity.
For example: "There is hardly any water in this cup."
We can use it with 'ever' for frequency.
For example: "I hardly ever play basketball."
To help you remember:
It's hard for me to play tennis, because I hardly ever train.
I can hardly walk afterwards, because I've been running hard.
I often get hurt because the ball's hard and there's hardly any time to get out of the way!
 
用法总结
1 形容词 “hard” 最常见的含义有 “坚硬的”、“困难的” 和 “辛苦的”。
Ow – that ball is hard.
Calculus is hard.
That was really hard work.
 
2 副词 “hard” 可以表示 “努力地，辛苦地”。
I've been running hard.
 
3 副词 “hardly” 的意思是 “几乎不”。
This is too small. I can hardly read it.
“Hardly” 与 “any” 搭配，表数量： “几乎没有”。
There is hardly any water in this cup.
“Hardly” 与 “ever” 搭配，表频率： “几乎从不”。
I hardly ever play basketball.
 
4 用下面三个句子来练习辨析 “hard” 和 “hardly” 的用法：
It's hard for me to play tennis, because I hardly ever train.
I can hardly walk afterwards, because I've been running hard.
I often get hurt because the ball's hard and there's hardly any time to get out of the way!