靈丹妙藥 [ㄌㄧㄥˊ ㄉㄢ ㄇㄧㄠˋ ㄧㄠˋ; ling2 dan1 miao4 yao4] effective cure, miracle medicine (idiom); fig. wonder-cure for all problems panacea elixir ◄ ►