不易 (bù yì) — not easy; difficult; (literary) unchanging; constant

Definition

Examples

• 这件事不易做，需要花很多时间。
  Zhè jiàn shì bù yì zuò, xū yào huā hěn duō shí jiān.
  This matter is not easy to do; it requires a lot of time.
• 学习一种新语言不易，但坚持下去就会有收获。
  Xué xí yì zhǒng xīn yǔ yán bù yì, dàn jiān chí xià qù jiù huì yǒu shōu huò.
  Learning a new language is not easy, but if you persist you will gain something.
• 他对朋友的爱始终不易。
  Tā duì péng you de ài shǐ zhōng bù yì.
  His love for friends has always been unchanging.