用粉笔写字不容易。

It is not easy to write in chalk.

Source: Tatoeba

Sentence Composition

1 用 yòng
  1. to use; to make use of; to employ
  2. (coverb) with; using
  3. to need; to have to (usu. used in the negative or in questions)
  4. usefulness; utility
  5. (bound form) expense; outlay
  6. (courteous) to eat; to drink
  7. (literary) hence; therefore
2 粉笔 fěnbǐ chalk

classifiers: 支, 段
3 写字 xiězì
  1. to write (by hand)
  2. to practice calligraphy
4 不容易 bùróngyì
  1. difficult; hard; troublesome
  2. having a hard time; having a tough time