托杉 [－－]

Jyutping tok3 caam3
Pinyin tuō shān

Definitions (CC-CANTO)
  1. to do something pointless; to try to do something that is beyone one's ability [colloquial]
Definitions (粵典–words.hk)
  1. 動詞
    做​一​啲​完全​冇​任何​作用​或者​意​義​嘅​行​為​；​係​托​柒​無​咁​粗俗​嘅​變​化​，​又​可以​再​簡​化做​托
    to do something pointless