How to say humble/meager/thin/to despise in Chinese 菲薄

一味妄自菲薄，就会丧失志气。 ( If you blindly arrogance, you will lose your ambition. )

不可妄自菲薄。 ( Don't be arrogant. )

不要妄自菲薄，把自己看得一钱不值。 ( Don't be arrogant and treat yourself as worthless. )

既要谦虚谨慎，又不要妄自菲薄 ( Be modest and cautious, and don't be arrogant )

礼物菲薄，实在拿不出手，请别见笑。 ( The gift is so thin that it can't be sold, please don't laugh. )