回复来信 reply to a letter

昨日不复来 no one can back yesterday ; no one can call back yesterday

因迟复来信致歉 Because of answering one's letter late

经断复来 postmenopausal menstruation

恢复过来 get over ; recover from ; bounce back

二十年已去不复来 Twenty will not come again

昨日不复来. No one can call back yesterday

翻来复去 toss ; toss in bed

来复放大 [电子] reflex amplification

来复电路 [电子] reflex circuit