fix something up
phrasal verb with fix verb uk/fɪks/ us/fɪks/
(ARRANGE)
C1 UK安排（会议、日期、活动等）
to arrange a meeting, date, event, etc.
I'd like to fix up a meeting with you next week sometime. 下周我想跟你约个时间见面。
(REPAIR)
UK修理，修补；改换
to repair or change something in order to improve it
Nick loves fixing up old cars. 尼克喜欢修理旧车。