obligatory

• adj. 義務的；必須的；義不容辭的

來自oblige,強迫，迫使。引申詞義強製的。

obligatory (adj.)

c. 1400, from Old French obligatoire "creating an obligation, obligatory," and directly from Late Latin obligatorius "binding," from obligat-, past participle stem of obligare (see oblige).

1. His lips curved up in the obligatory smile, acknowledging the compliment.

他嘴邊禮節性地擠出一個微笑，以示對稱讚致謝。

來自柯林斯例句

2. There was all the usual humbug and obligatory compliments from ministers.

全都是些部長們常說的騙人鬼話和少不了的奉承恭維。

來自柯林斯例句

3. She was wearing the obligatory sweater and pearl necklace.

她穿著那件經常穿的毛衣，戴著那串慣常戴的珍珠項鏈。

來自柯林斯例句

4. It is obligatory for all employees to wear protective clothing.

所有員工必須穿防護服裝。

來自《權威詞典》

5. It is obligatory on every citizen to safeguard our great motherland.

保衛我們偉大的祖國是每一個公民應盡的義務.

來自《簡明英漢詞典》