一剔一點 [－－－点]

Jyutping jat1 tik1 jat1 dim2
Pinyin yī tī yī diǎn

Definitions (粵典–words.hk)
  1. 名詞
    剔號​中間​打斜​向​右​下加​一點​而​形成​嘅​符​號​，​表示​部份​正確
    "half tick half cross" meaning partly correct (not to be confused with a crossed out check mark "⍻")