sometimes On some oppertunities/occasions but not on everyone or in a regular basis. (http://dictionary.cambridge.org/dictionary/english/sometimes)
Example:
There sleeps Titania sometime of the night. (A midsumer night´s dream, William Shakespeare)
Czech translation: někdy
French translation: parfois
German translation: manchmal
Persian translation: گاهی
Polish translation: Czasami
Spanish translation: a veces
Swedish translation: Ibland