adj.难以辨认的，无法辨识的，字迹模糊的

**The handwriting on this note is so illegible, I can't even decipher who the sender is.** (这张便条上的字迹太模糊了，我连发信人是谁都辨认不出来。
**The ancient script on the artifact is completely illegible to modern eyes.** (这件文物上的古代文字对现代人来说完全无法解读。
**His signature is so scribbled that it's nearly illegible.** (他的签名潦草得几乎看不清楚。
**The faded letters on the wall are illegible in the dim light.** (在昏暗的光线下，墙上的褪色字母几乎无法辨识。
**Her hastily written email was so illegible, we had to ask her to type it out again.** (她匆忙写下的邮件如此模糊，我们不得不让她重新打一遍。
**The page is stained, making the text illegible.** (这一页被污渍覆盖，使得文字难以辨认。
**The faded map is barely legible due to years of wear and tear.** (由于岁月的磨损，这幅地图几乎无法辨认。
**The fine print on the contract is so small and illegible, we need a magnifying glass.** (合同上的小字太小，看不清楚，我们需要放大镜。
**The handwriting in the diary is so faint, it's almost impossible to read.** (日记中的笔迹非常淡，几乎无法辨认。
**The graffiti on the subway car is so poorly executed, it's barely legible.** (地铁车厢上的涂鸦制作得如此糟糕，几乎看不清楚。