不蔓不枝

bùmànbùzhī
  1. (figurative) succinct and to the point; written in a pithy and smooth style; concise (of an article, speech, etc.)
  2. succinct and to the point; written in a pithy and smooth style; concise (of an article, speech, etc.)

Wiktionary

Entry Composition

1 不 bù
  1. no; not so
  2. (bound form) not; un-
=2 蔓 mán used in 蔓菁 mánjing
=2 蔓 màn
  1. creeper
  2. to spread
3 不 bù
  1. no; not so
  2. (bound form) not; un-
=4 枝 zhī
  1. branch
  2. classifier for sticks, rods, pencils etc
=4 枝 qí
  1. alternative form of 歧 (qí, “divergent”)
  2. alternative form of 跂 (“extra toe”)