英汉词典

1. 不可能的;做不到的
    Something that is impossible cannot be done or cannot happen.

    e.g. It was impossible for anyone to get in because no one knew the password...
           因为没人知道密码,所以任何人都不可能进得去。
    e.g. He thinks the tax is impossible to administer...
           他认为税金没法管理。