"把刀口朝前地" can be translated into English as "with the blade facing forward" or "with the cutting edge forward", depending on the context and the level of specificity required.
For example:
He held the knife with the blade facing forward. （他握着刀，刀口朝前。）
Make sure to carry the tool with the cutting edge forward for safety. （为了安全，确保携带工具时刀口朝前。）