粵典 (words.hk)香港詞
歇後語，白費工夫 (literally meaning "using sand to try and fill up the sea", which means someone is doing something that is useless or with no effort-worth.)
語句擔沙填海
daam1 saa1 tin4 hoi2收錄於 1 本詞典
daam1 saa1 tin4 hoi2
· 收錄於 1 本詞典粵典 (words.hk)香港詞
歇後語，白費工夫 (literally meaning "using sand to try and fill up the sea", which means someone is doing something that is useless or with no effort-worth.)
語句