因为是用法文写的，所以这本书很难读。

This book is difficult to read as it is written in French.

Source: Tatoeba

Sentence Composition

1 因为 yīnwèi
  1. because
  2. owing to
  3. on account of
=2 是 shì
  1. to be (followed by substantives only)
  2. correct; right; true
  3. (respectful acknowledgement of a command) very well
  4. (adverb for emphatic assertion)
=2 是 shì variant of 是 shì
3 用法 yòngfǎ usage
=4 文 Wén surname Wen
=4 文 wén
  1. language
  2. culture
  3. writing
  4. formal
  5. literary
  6. gentle
  7. (old) classifier for coins
  8. Kangxi radical 67
=5 写 xiě to write
=5 写 xiè used in 写意 xièyì
=6 的 de
  1. of; ~'s (possessive particle)
  2. (used after an attribute when it modifies a noun)
  3. (used at the end of a declarative sentence for emphasis)
  4. (used after a noun, verb or adjective to form a nominal expression, as in 皮革的 pígéde "one made of leather" or 跑堂儿的 pǎotángrde "a waiter (literally, one who runs back and forth in a restaurant)" or 新的 xīnde "new one")
  5. also pr. dì or di in poetry and songs
=6 的 dī a taxi; a cab (abbr. for 的士 dīshì)
=6 的 dí really and truly
=6 的 dì (bound form) bull's-eye; target
7 所以 suǒyǐ
  1. therefore
  2. as a result
  3. so
  4. the reason why
=8 这 zhè
  1. (pronoun) this; these
  2. (bound form) this; the (followed by a noun)
  3. (bound form) this; these (followed by a classifier) (in this sense, commonly pr. zhèi, esp. in Beijing)
=8 这 zhèi (coll.) this
9 本书 běnshū
  1. book of genealogy
  2. original book; original work
  3. this book
10 很 hěn
  1. very; quite
  2. (also, often used before an adjective without intensifying its meaning, i.e. as a meaningless syntactic element)
=11 难 nán
  1. difficult (to...)
  2. problem
  3. difficulty
  4. difficult
  5. not good
=11 难 nàn
  1. disaster
  2. distress
  3. to scold
=12 读 dòu
  1. comma
  2. phrase marked by pause
=12 读 dú
  1. to read out; to read aloud
  2. to read
  3. to attend (school); to study (a subject in school)
  4. to pronounce