obligatory

形容詞

1. 1

   強制性的、必須的、義務的

   Attendance at the safety training is obligatory for all new staff.

   所有新進員工都必須參加這場安全訓練。

2. 2

   照慣例的、例行的、少不了的常帶戲謔語氣

   We took the obligatory photo in front of the fountain.

   我們在噴水池前拍了那張少不了的紀念照。

3. 3

   有法律拘束力的、強制的法律

   The contract makes the payment obligatory within thirty days.

   該合約規定付款在三十天內具強制效力。