因為
yīn​wèi HSK2

because

yīn​wèi because
  1. 因 yīn conjunction
    because
    because; as; shows the reason for a situation or action
  2. 为 為 wèi preposition
    for
    for; because of; in order to; for the sake of; used to indicate the purpose or recipient of an action

yīn​wèi because of
  1. 因 yīn preposition
    because of
    because of; on account of; used to introduce the reason or cause for a following action
  2. 为 為 wèi preposition
    for
    for; because of; in order to; for the sake of; used to indicate the purpose or recipient of an action