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general::
Phrase(s): *easy as A, B, C [and] *easy as falling off a log; *easy as rolling off a log; *easy as (apple) pie; *easy as duck soup
very easy. (*Also: as ~.) • If you use a cake mix, baking a cake is easy as A, B, C. • Mountain climbing is as easy as pie. • Finding your way to the shopping center is easy as duck soup. • Getting out of jail was easy as rolling off a log.
McGrawhill's American Idioms And Phrasal Verbs