粵典 (words.hk)香港詞
01
亂做；冇乜計劃、目標咁做 (to do or execute in a non-serious, frivolous manner)
動詞用例
呢份功課計好多分架，唔好鳩做呀。
This assignment counts for a large part of the final mark, don't treat it frivolously.
02
做完一件事，但徒勞無功 (after doing something, the result is worthless or the effort ends up in vain)
用例
準備好晒啲嘢，你先話取消，咁我呢幾日做嘅嘢咪鳩做？
You're canceling the event after I made all the preparations, making all my previous efforts in vain.