All spiders use venom to kill their prey, but many spiders are not nearly. as aggressive or dangerous as they are presented in urban legends and the media. Spider identification. requires specialized knowledge and sufficient magnification.
The definition of surly is someone who is bad-tempered, or something that is threatening such as poor weather. An example of someone who would be described as surly is a grumpy person who frowns at everyone who comes near him. YourDictionary definition and usage example.
To surpass means to outdo someone or something, to go beyond what was expected. If you do better than you think you will, you will surpass your own expectations. Some words seem to exist just to give an extra oomph to your speech, and surpass is one of these. While you could just say passed or even outdid saying surpass seems to indicate that a person (or some other thing that performs, like a company) has really gone beyond anything you anticipated.