一葉障目，不見泰山 [－叶－－－－见－－]

Jyutping jat1 jip6 zoeng3 muk6 ， bat1 gin3 taai3 saan1
Pinyin yī yè zhàng mù ， bù jiàn tài shān

Definitions (Wiktionary)
  1. phrase, idiomatic
    to have one's view of the important overshadowed by the trivial
    (syn.) 一葉蔽目, 一叶蔽目, 一指蔽目, 不见泰山, 不見泰山