【下笔成章】〖xià b chéng zhng〗[write sth. logical, coherent, presentable, readable, etc. without the need for a draft; compose quickly, easily and well, without effort; Anything off his pen is already well-composed]

下临失业步履艰，

笔走龙蛇著诗典。

成效卓著世界语，

章决句断大同寰。

形容写文章极快。Describe article write very fast. 同：出口成章。反：江郎才尽。谜：书法。