当他们单独和牛在一起时，他们经常唱一些优美而平和的歌曲来安抚牛羊，克服自己的恐惧。
When they were alone with the cows, they often sang beautiful and peaceful songs to calm the animals and to overcome their own fear.
旋律优美、悦耳动听，他的歌曲让我潸然泪下。
Wonderfully melodic and tuneful, his songs have made me weep.
他唱了一首优美的歌曲，把所有竞争对手中脱颖而出。
He sang a beautiful song, and he stood out from all the other competitors.
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