1. Madaling lokohin (literally: "easy to deceive") - This emphasizes the gullibility and lack of experience that often goes hand-in-hand with naivete.
2. Walang muwang (literally: "without innocence") - This emphasizes the lack of worldly wisdom and knowledge. It can also carry a negative connotation, implying that the person is lacking in sophistication.
3. Walang alam (literally: "doesn't know") - This is a more general term for someone who lacks knowledge or understanding. It doesn't necessarily imply naiveté, but it can be used in that context.
4. Masyadong mapagkatiwala (literally: "too trusting") - This emphasizes the person's tendency to trust others easily, which can make them vulnerable.
5. Bago pa lang (literally: "still new") - This describes someone who is inexperienced and lacks knowledge, often because they are young or new to a situation.
The best translation will depend on the specific situation and the desired meaning.