shū fǎ zuò pǐn / zhōng / zuì / jì huì / rǒng bǐ / měi yī bǐ / dōu / yào / jīng liàn

书法作品中最忌讳冗笔，每一笔都要精炼。

In calligraphy, superfluous strokes are most taboo; every stroke must be refined.