knock-knock

Etymology
Onomatopoeic.

Interjection

 * 1) a verbal emulation of a knocking sound

Translations

 * Chinese:
 * Mandarin:
 * Dutch: klop klop
 * Finnish: kop kop
 * French:
 * German: klopf klopf
 * Hebrew: טוק טוק
 * Indonesian: woi woi
 * Japanese: ノックノック
 * Korean:, 노크노크
 * Polish:
 * Russian: тук-ту́к
 * Swedish:
 * Tagalog: tok-tok
 * Turkish:
 * Vietnamese: gõ gõ