eu > en
1 (ezezko testuinguruetan) no one, no-one, not a single, not even one, not one
ikaslerik bat ere ez: not a single student
ez dago galleta bakar bat ere: there's not a single biscuit left
2 (baldintzazko eta galde-perpausetan) any
bada horretan sinesten duen herritar bat ere?: is there any citizen who believes that?