柯林斯詞典obligatory /??bl?ɡ?t?r?/ 1. ADJ If something is obligatory, you must do it because of a rule or a law. 規(guī)定性的 Most women will be offered an ultrasound scan during pregnancy, although it's not obligatory. 大部分婦女懷孕期間都將進(jìn)行超聲波檢查，盡管不是規(guī)定性的。 返回 obligatory劍橋詞典If something is obligatory, you must do it because of a rule or law , etc. （根據(jù)規(guī)定、法律等）必須履行的，強(qiáng)制性的，有義務(wù)的 The medical examination before you start work is obligatory. 工作前必須先體檢。 [ 動(dòng)詞后面接一個(gè)帶to的不定式 ] The statute made it obligatory for all healthy males between 14 and 60 to work . 這條法令規(guī)定所有年齡在14至60歲的男子必須工作。 expected because it usually happens （因?yàn)槌０l(fā)生而）必然的，預(yù)料之中的；慣常的 Several Secret Service agents surrounded the President, all wearing the obligatory raincoat and hat . 幾名特工圍在總統(tǒng)四周，當(dāng)然是一律穿著風(fēng)雨衣，戴著帽子。 返回 obligatory