由于 (yóu yú) — (preposition) due to, because of; (conjunction) since, as (introducing a reason clause)

Definition

Examples

• 由于天气原因，比赛取消了。
  yóu yú Tiān qì yuán yīn, bǐ sài qǔ xiāo le.
  Due to weather reasons, the match was cancelled.
• 由于他病了，今天没来上课。
  yóu yú Tā bìng le, jīn tiān méi lái shàng kè.
  Since he was sick, he didn't come to class today.
• 由于工作太忙，他很少休息。
  yóu yú Gōng zuò tài máng, tā hěn shǎo xiū xi.
  Because work is too busy, he rarely rests.

Grammar