To lose color or distinctness.

褪色；失去光泽。

To wither; droop, as flowers.

(花开)凋谢；枯萎。

To grow pale or weak, as persons.

(人等)衰弱；憔悴。

To disappear by degrees.

逐渐消失。

To vary irregularly in intensity, said of signals.

【无线】(信号)时强时弱。

To cause to fade.

使褪色；使消失；使苍白；使失去光泽、鲜度。