固[gù] 基本解释：
新英汉大词典：
固
[gù]
- 形容词
- （结实; 牢固; 坚硬） firm; hard; solid:
strong;坚固
firm; stable;稳固
- 副词
- （坚决地; 坚定地） firmly; resolutely:
firmly invite;固请
resolutely refuse; firmly decline固辞
- （本来; 原本） originally; in the first place; as a matter of course:
It is just as it should be.固当如此。
- （固然） certainly; admittedly; assuredly:
Admittedly we can make the journey by train, but there is no harm in our travelling by boat.乘车固可，乘船亦无不可。
- 动词
- （使坚固） solidify; consolidate; strengthen:
strengthen the dyke固堤
- （保卫; 防御） defend:
It's not high mountains and deep valleys that best serve to defend a country.固国不以山溪之险。
- 名词
- （姓氏） a surname:
Gu Cheng固乘
以上内容来源于：《新汉英大辞典》
例句与用法：
Cheese is a solid; milk is a liquid.
Ice is water in solid state.
Water becomes solid when it freezes.
They built a strong battlement
The battlement is very strong.
The bridge is not strong enough to allow the passage of vehicles.
The foundations were not strong enough to sustain the weight of the house.
There are many strong and stately towers in Beijing.
固的其他解释: