1. His signature was an illegible scrawl.
    他的签名潦草难以辨认。

1. 乱涂：semin 种子的 | scrawl乱涂v | crawl爬

2. 塗鴉：scowl 怒容,皺眉頭 | scrawl 塗鴉 | scree 碎石坡,(斷崖或山腳下的下的)碎石堆

3. 潦草地写：scrawl 潦草的笔迹 | scrawl 潦草地写 | screak 嘎嘎作响

4. 潦草的笔迹：scrawl 潦草的笔迹 | scrawl 潦草地写 | screak 嘎嘎作响

1. 潦草地写;马马虎虎地写
    If you scrawl something, you write it in a careless and untidy way.

    e.g. He scrawled a hasty note to his wife...
           他给妻子草草写了个便条。
    e.g. Someone had scrawled ''Scum'' on his car.
           有人在他的车上涂写了“人渣”的字样。

2. 潦草的笔迹;不工整的字迹
    You can refer to writing that looks careless and untidy as a scrawl .

    e.g. The letter was handwritten, in a hasty, barely decipherable scrawl.
           这封信是仓促手写而成，潦草得几乎无法辨认。

1. poor handwriting

    Synonym: scribblescratchcacography

1. write carelessly

    Synonym: scribble