| 单词 | as happy as a clam | 
| 释义 | > as lemmasas happy as a clam  e.   as happy as a clam, etc.: well pleased, quite contented. U.S. colloquial. ΚΠ 1834    Harvardiana Dec. 121  				That peculiar degree of satisfaction, usually denoted by the phrase ‘as happy as a clam’. 1844    ‘J. Slick’ High Life N.Y. I. xi. 179  				They seemed as happy as clams in high water. 1848    J. R. Bartlett Dict. Americanisms (at cited word)  				‘As happy as a clam at high water’, is a very common expression in those parts of the coast of New England where clams are found. 1873    J. H. Beadle Undeveloped West 799  				A thousand or more negroes thronged the streets ‘happy as clams at high tide’. 1940    H. W. Thompson Body, Boots & Britches xix. 494  				Happy as a clam in high water. < as lemmas | 
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