illegible
单词辨析：
指字迹或印刷文字等难以辨认或不能辨认的。
Her handwriting is completely illegible.
她的字迹完全不能辨认。
The name on the gravestone was badly worn and almost illegible.
墓碑上的名字磨损得很严重，几乎无法辨认。
尤指字迹因潦草、书写不工整而难以辨认的。
unreadable handwriting
很难辨认的笔迹
The author left in such a hurry that his signature was unreadable.
那位作家离开得很匆忙，致使其签名潦草得难以辨认。
相关例句：
He turned the paper over so the writing wouldn't show; the doctor's writing was illegible.
他把纸翻过来所以看不到字迹；这医生的字迹很难辨。
The words have become illegible.
字迹漫漶。
Set up, memory, transfer and illegible control control of welding parameters extend application range.
焊接参数的预置，存储和调用，模糊控制等扩大了应用范围。
She recognized his handwriting; his hand was illegible.
她认出了他的手迹；他的手稿难以辨认。
My secretary worked long hours translating my almost illegible writing into a typewritten and readable script.
我的秘书花了很长时间把我写的几乎无法辨认的手稿用打字机打印成易读的文本。
A person might be eligible for a certain appointment despite his illegible handwriting.
一个人的字体尽管写得潦草，可是他可能适合担任某一种工作。