“潦草的”用英语怎么说

这封信一定是弗兰克写来的, 我认得他那潦草的笔迹.This letter must be from Frank; I recognized his scrawl.辨认他的潦草的字迹叫人头痛.It is a headache to decipher his sloppy penmanship.这样潦草的笔迹我一点也看不懂.I can make nothing of all this scribble....