龍吟虎嘯

龍吟虎嘯 LUNG YIN HU HSIAO
ㄌㄨㄥˊ　｜ㄣˊ　ㄏㄨˇ　ㄒ｜ㄠˋ
Dragon and tiger's roars
定義:這個成語用來比喻龍虎的吼叫聲。形容聲音嘹亮。

This idiom means the roars of dragon and tiger and implies that the voice is loud and clear.