開始變弱;變得不受歡迎;變得興趣索然
to begin to become weaker or less acceptable
These excuses are wearing a little thin (= because we've heard them so many times before).這些託辭讓人聽得有點兒膩煩。
釋義來自《牛津高階英漢雙解詞典》第 9 版