draw a blank idiom informal
未能答复；毫无结果
to fail to get an answer or a result
He asked me for my phone number and I drew a blank - I just couldn't remember it. 他向我要电话号码可我却没能给他——我把号码给忘了。
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。