粵典 (words.hk)香港詞
形容一啲自己都一知半解,或者唔識教書嘅人,走去教導後輩 ((of teachers) to mislead the younger generation; to set a bad example)
動詞用例
個老師好差,根本就係誤人子弟。
go3 lou5 si1 hou2 caa1, gan1 bun2 zau6 hai6 ng6 jan4 zi2 dai6.
The teacher is very bad, basically misleading the younger generation.