請在3月10日前再次確認預訂。

Please reconfirm the reservation by March 10.

Source: Tatoeba

Sentence Composition

=1 請 qǐng
  1. to ask
  2. to invite
  3. please (do sth)
  4. to treat (to a meal etc)
  5. to request
=1 請 qīng only used in 請室／请室 (qīngshì)
2 在 zài
  1. to exist; to be alive
  2. (of sb or sth) to be (located) at
  3. (used before a verb to indicate an action in progress)
3 月 yuè
  1. moon
  2. month
  3. monthly

classifiers: 個, 輪
4 日前 rìqián
  1. the other day
  2. a few days ago
5 再次 zàicì once more; once again
6 確認 quèrèn
  1. to confirm
  2. to verify
  3. confirmation
7 預訂 yùdìng
  1. to place an order
  2. to book ahead