pinyin: gāng; meaning: the ridge of a hill

Chinese phrase: 山冈 shān gāng - to low hill, hilllock

Examples:
刚
pinyin: gāng;
Chinese phrase: 刚才 gāng cái
- just now, only a short while ago
刚强 gāng qiáng - staunch,unyielding

钢
pinyin: gāng;
Chinese phrase: 钢材 gāng cái - steel

纲
pinyin: gāng;
Chinese phrase: 大纲 dà gāng - the general porgram, the key part of sth.