How to write 回来回来

to circle; to go back; to turn around; to answer; to return; to revolve; Hui ethnic group (Chinese Muslims); time; classifier for acts of a play; section or chapter (of a classic book)

to come; (used as a substitute for a more specific verb); hither (directional complement for motion toward the speaker, as in 回来); ever since (as in 自古以来); for the past (amount of time); (prefix) the coming ...; the next ... (as in 来世); (between two verbs) in order to; (after a round number) approximately; (used after 得 to indicate possibility, as in 谈得来, or after 不 to indicate impossibility, as in 吃不来)