know-it-all 
(nōĭt-ôl′)
(nōĭt-ôl′)n.
Informal
Informal
One who acts as if he or she knows everything, as by offering unsolicited advice or rejecting others' suggestions.
know-it-all′ adj.
| 单词 | know-it-all |
| 释义 | know-it-all (nōĭt-ôl′)n. Informal One who acts as if he or she knows everything, as by offering unsolicited advice or rejecting others' suggestions. know-it-all′ adj. |
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