你这个人真是傻瓜一个，这么笨！

You really are an idiot. You're so stupid!

Source: Tatoeba

Sentence Composition

=1 你 nǐ you (informal, as opposed to courteous 您 nín)
=1 你 nǐ you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)
2 这个 zhège
  1. (pronoun) this
  2. (adjective) this
3 人 rén person; people

classifiers: 個, 位
=4 真是 zhēnshi
  1. indeed; truly
  2. (coll.) (used to express disapproval, annoyance etc)
=4 真是 zhēnshì
  1. (colloquial) Used to express dissatisfaction or annoyance; honestly!
  2. Used other than figuratively or idiomatically: see 真 (zhēn), 是 (shì): (it) really is; (it) truly is
  3. Used to express dissatisfaction or annoyance; honestly!
5 傻瓜 shǎguā
  1. idiot
  2. fool
=6 一个 yīge
  1. a; an; one
  2. the whole (afternoon, summer vacation etc)
=6 一个 yīgè
  1. Combination of the numeral 一 (“one”) and the generic classifier 個／个: a; an; one
  2. same
=7 这么 zhème
  1. so much
  2. this much
  3. how much?
  4. this way
  5. like this
=7 这么 zhème variant of 这么 zhème
8 笨 bèn
  1. stupid
  2. foolish
  3. silly
  4. slow-witted
  5. clumsy