peerless

1. ADJ Something that is peerless is so beautiful or wonderful that you feel that nothing can equal it. 無(wú)可匹敵的; 蓋世無(wú)雙的[正式] [usu ADJ n]

...two days of clear sunshine under peerless blue skies. ...湛藍(lán)的天空、豔陽(yáng)高照的兩天。