to persuade someone in a clever or slightly dishonest way to allow you to do something or to give you something

Somehow they managed to blag their way in. 他们凭着花言巧语竟然混了进去。

There are often people heading my way so it's easy to blag a lift. 因为经常有人和我同路，所以很容易说几句好话就让他们载我一程。