- 固 [gù]
- （结实; 牢固; 坚硬） firm; hard; solid:
firm; stable; 稳固
- （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。
- （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。
- （姓氏） a surname:
Gu Cheng 固乘
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.