what nail will you never hit with a hummet

what nail will you never hit with a hummet nail you If you stand up like a nail,you will be hammer down like nail.什么意思? what nail shold you never hit with a hammer?翻译并回答. What nail should you never hit with a hammer?(脑筋急转弯) nail nail nail 关于nail一词的翻译CCNA书上一段话：New information, commands, troubleshooting, and labs will help you nail the NAT CCNA objectives.请问此处的nail怎么翻译? The special nail will attract the hammer. what will you take? what will you do? say what you will what will you have what will you wear What will you take ____you? What will you do tomorrow? What will you eat first?