死纏爛打 [－缠烂－]

Jyutping sei2 cin4 laan6 daa2
Pinyin sǐ chán làn dǎ

Definitions (CC-CEDICT)
  1. (coll.) to pester
  2. to harass
Definitions (粵典–words.hk)
  1. 動詞
    糾纏​不休​；​係​咁​煩住​人​，​唔​肯停
    be on sb's ass
    • 自從我同前男朋友分咗手之後，佢就係咁纏住我。
      自从我同前男朋友分咗手之后，佢就系咁缠住我。
      My former boyfriend has been on my ass ever since we split up.
Definitions (Wiktionary)
  1. phrase, idiomatic
    to persistently pursue one's love (despite multiple rejections); undeterred chasing; obsession