巩固 gǒnggù to consolidate
to consolidate; to strengthen; firm; solid; stable
How to remember 巩固: 巩 to bind + 固 to solidify = to consolidate.
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How it is used
- To consolidate / strengthen what's already gained: 巩固成果 (gǒnggù chéngguǒ) to cement gains, 巩固知识 (to reinforce knowledge).
- Implies making an existing position/foundation firm and lasting, not building anew.
- Compare 加强 (jiāqiáng, to strengthen/boost generally); 巩固 stresses stabilizing and securing.