他的书法功底很深。
His calligraphy foundation is deep.
功底
training in the basic skills; knowledge of the fundamentals
noun HSK 3.0 · Band 7
Watch it being written
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
功
底
Nice writing!
Build with these blocks
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
功
See it in sentences
演员的功底很扎实。
The actor's fundamentals are solid.