1.I DO not know where family DOctors acquired illegibly perplexing handwriting.
我不知道家庭医生从哪儿学来的那种看不明白、令人迷惑的书法。
2.The invigilator can not give any explanation to the content of the exam questions unless it is printed illegibly.
监考人员对试卷内容不作任何解释，考生对试题文字有不清之处，应给予答复。