请输入您要查询的英文单词：
单词
hard nut to crack
释义
hard nut to crack
in American English
or
tough nut to crack
a person, problem, or thing difficult to understand or deal with
See full dictionary entry for
nut
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cutting board
cutting-board
cutting compound
cutting edge
cutting-edge
cutting-edge technology
cutting garden
cutting grass
cutting horse
cuttingly
cutting-out scissors
cutting room
cuttings
cutting stylus
cutting tool
cuttle
cuttlebone
cuttlefish
cutto
cut tobacco
cut to the chase
cutty
cutty grass
cutty sark
cutty stool
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更新时间：2026/3/22 1:17:44