General "not good":
* Hindi maganda - This is the most literal and common translation.
* Hindi mabuti - This is another common translation, emphasizing the lack of goodness.
More specific meanings:
* Masama - This means "bad" and implies something negative or harmful.
* Pangit - This means "ugly" and refers to something that is aesthetically unappealing.
* Walang kwenta - This means "worthless" and implies something useless or ineffective.
* Hindi okay - This is a more informal way to say "not good" and is often used for situations that are not ideal.
Examples:
* Ang pelikula ay hindi maganda. (The movie is not good.)
* Ang pagkain ay masama. (The food is bad.)
* Ang damit na ito ay pangit. (This dress is ugly.)
* Ang plano ay walang kwenta. (The plan is worthless.)
* Hindi okay ang pakiramdam ko ngayon. (I don't feel okay today.)
The best way to choose the right phrase is to consider the specific context and the meaning you want to convey.