by a long chalk

phr

• ① 【英口】(差得)很远;[用于否定句]绝(不)…
  • You are a more decent chap than I am, by a long chalk.你为人比我好,比我好得多。
  • This article does not come up to your sample, not by a long chalk.这件货比不上你的样品,而且差得很远。