"How to say shark in English" can be translated into multiple ways. One of the most common translations is "shark" itself, which is a noun that refers to a large fish with sharp teeth and fins. However, if you want to emphasize the fearsome or predatory nature of sharks, you could use words like "predator" or "monster" instead. If you're talking about specific types of sharks, such as great white sharks or lemon sharks, you could use their scientific names (Carcharodon carcharias and Pseudocarcharias pardus respectively). Overall, it really depends on your desired emphasis and context for how to say "shark" in English.