捕風捉影 [－风－－]

Jyutping bou6 fung1 zuk1 jing2
Pinyin bǔ fēng zhuō yǐng

Definitions (粵典–words.hk)
  1. 動詞
    比喻​猜測​毫無根據​，​老作
    to make groundless accusations; literally: to chase the wind and clutch at shadows
  2. 動詞
    比喻​事情​毫無​成果​、​徒​勞無功
    do sth in vain or without any progress
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）

捕風捉影 [－风－－]

Jyutping bou6 fung1 zuk3 jing2
Pinyin bǔ fēng zhuō yǐng

Definitions (CC-CEDICT)
  1. lit. chasing the wind and clutching at shadows (idiom); fig. groundless accusations
  2. to act on hearsay evidence
Definitions (Wiktionary)
  1. phrase, idiomatic
    to make groundless accusations; to grasp at straws