一叶障目

[成语]
yī yè zhàng mù

[含义]
眼睛被一片树叶挡住，指看不到事物的全貌。

[来源]
毛泽东《论持久战》：“一叶障目，不见泰山，而自以为是。”


[英文]
have one s view of the important overshadowed by the trivial