outside (one's) ken

(redirected from outside his ken)

outside (one's) ken

Advanced beyond one's ability to understand or make sense of the subject matter or task at hand. The stuff they're teaching in this advanced math class is outside my ken.
See also: ken, outside
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

beyond/outside your ˈken

(old-fashioned) not within your knowledge or understanding: Such things are beyond my ken.
Ken is an old word for ‘knowledge’.
See also: beyond, ken, outside
Farlex Partner Idioms Dictionary © Farlex 2017
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References in periodicals archive ?
Armed by a lifetime of thought about words, he justifiably has regarded no field or discipline or communicative activity as foreign and outside his ken. Whoever reads him must feel his sense of intellectual empowerment that our world, sectioned as it is by expertise, would deny us.
Reagan's troubles, like his triumphs, are accidental--in a sense determined by events outside his ken and by factors beyond his command.
Kennedy." With that little "but," Freedman in one fell swoop ascribes the right-wing version of the fiasco to the left (the real left-wing version is presumably outside his ken).