"What the hell" is an English phrase that is often used to express surprise, anger, or frustration. It does not have a direct translation in Bengali, but there are some phrases that can convey a similar meaning. Here are some possible translations of "what the hell" in Bengali based on the search results:

• কি করছ (ki korcho) : This phrase can be used to ask "what are you doing?" in a surprised or annoyed tone, which is similar to the tone of "what the hell."

• কি রে! (ki re!) : This is an exclamation of surprise or annoyance that can be used in a similar way to "what the hell."

• এত ঠাণ্ডা কেন! (etô thanda keno!) : This phrase means "why is it so cold?" but it can also be used to express surprise or frustration in a similar way to "what the hell."

Its important to note that these translations may not capture the exact meaning or tone of "what the hell" in English, as they are based on context and interpretation. Additionally, some of the translations found in the search results may not be commonly used or may have different connotations depending on the situation.