反覆

repeatedly / over and over / to upend / unstable / to come and go / (of an illness) to return

contrary / in reverse / inside out or upside down / to reverse / to return / to oppose / opposite / against / anti- / to rebel / to use analogy / instead / abbr. for 反切[fan3 qie4] phonetic system

variant of 復|复[fu4] / to reply to a letter

to cover / to overflow / to overturn / to capsize