Her signature was an illegible scrawl.

　　她的簽名潦草難辨。

　　The name on the gravestone was badly worn and almost illegible.

　　墓碑上的名字磨損得很?chē)乐�，幾乎無(wú)法辨認。

　　Her handwriting is completely illegible.

　　她的字跡完全不能辨認。

　　It is impossible to deliver this letter because the address is illegible.

　　由于地址字跡不清，致使信件無(wú)法投遞。

　　The words have become illegible.

　　字跡漫漶。