"spoke with blithe ignorance of the true situation"
"was loved for her blithe spirit" "a merry blithesome nature" "her lighthearted nature" "trilling songs with a lightsome heart"
A daughter fair, So buxom, blithe, and debonair.
A blithe salute The minstrels well might sound.
牛津高阶第八版
美国韦氏词典
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维基百科 (自由的百科全书)