Meaning of bèn:
笨
stupid; foolish; silly; slow-witted; clumsy
Tā zhēn shì yī gè bèn rén, zǒng shì wàngjì zìjǐ de yàoshi.
他真是一个笨人,总是忘记自己的钥匙。
He is truly a stupid person, always forgetting his own keys.
Xiǎo gǒu hěn bèn, dàn tā hěn kě'ài.
小狗很笨,但它很可爱。
The puppy is very foolish, but it's very cute.
Tā bù shì hěn bèn, zhǐ shì yǒu diǎn màn.
他不是很笨,只是有点慢。
He is not very silly, just a bit slow.
Suīrán tā yǒudiǎnr bèn, dàn tā fēicháng nǔlì.
虽然他有点儿笨,但他非常努力。
Although he is a bit slow-witted, he is very hardworking.
Wǒ de māo hěn bèn, zǒng shì zhuàng dào jiājù.
我的猫很笨,总是撞到家具。
My cat is very clumsy and always bumps into furniture.