思前想後 [－－－后]

Jyutping si1 cin4 soeng2 hau6
Pinyin sī qián xiǎng hòu

Definitions (CC-CEDICT)
  1. to consider past cause and future effect (idiom); to think over the past and future
  2. to ponder over reasons and connection
Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. phrase, idiomatic
    to deliberate over something for too long causing one to hesitate
Definitions (HSK3.0)
  1. HSK3 七一九级词汇表 #3914