Don't 开头的祈使句,反义疑问句怎么写?

try的意思是：vt.1. 试图;努力[+to-v]We'll try to improve our teaching methods.我们要设法改进教学方法。2. 尝试,试行[+v-ing]Let's try knocking at the back door.咱们敲后边的门试试。3. 试验,试用[(+out)][+v-ing]Try this key.试试这把钥匙。The method seems good but it ...