know-it-all

adj.

假装或自称无所不知的；

n.

假装或自称无所不知的人；

复数：know-it-alls

Know-It-All
Know-It-All
KNOW-IT-ALL
YOU SHOULD KNOW: if you want to take up fly tying
YOU SHOULD KNOW: if you want to take up spear-fishing
AT. KNOW IT ALL'S - Behind Sapphire | Letras.com
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It all comes down to pitching ; The Class A final features two pitchers who know how to go the distance - even extra innings.
Karma: know-it-all replacement for a multilevel cache
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Issues in Architectural Modeling and Evolution in the Know-It-All Case Study