再四

再四	zài sì	repeatedly / over and over again
再	zài	again; once more; re- / further; beyond this point of time / (before an adjective) more / then (after sth, and not until then) / no matter how ... (followed by an adjective or verb, and then (usually) 也 or 都 for emphasis) / (used to introduce additional information, as in 再则, 再就是 etc) / (literary) to reappear; to reoccur
四	sì	four / 4