- show off in front of sages
- 圣人: sage; wise man
- 卖: sell
- 字画: calligraphy and painting; sc ...
- 孔夫子门前卖文章: show off in the presence of an expert; teach fish to swim; teach one's grandmother (how) to suck eggs
- 字画: calligraphy and painting; scripts and paintings
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