fine line片語KK [faɪn laɪn] /faɪn laɪn/發音片語1微妙的界線、一線之隔There's a fine line between confidence and arrogance.自信與自大之間只有一線之隔。2細紋、細小皺紋常用複數This cream is said to reduce fine lines around the eyes.據說這款乳霜能減少眼周的細紋。3細線He drew a fine line down the middle of the page.他在紙的中間畫了一條細線。