irgendein

Determiner

 * 1)  some; any

Usage notes

 * The German word is used only with countable singulars. For plurals and uncountable singulars, use.
 * The distinction between and  is alien to German. On the other hand,  is not freely usable for “any” where this word is similar in meaning to “every”, as in  This sense can usually be covered by the somewhat formal : . In more idiomatic German,, , or even  are more common, but the right choice between them requires some experience as they are not always interchangeable.