mood2 /mu: d; mud/ n (gram) one of the groups of forms that a verb may take to show whether things are regarded as certain, possible, doubtful, etc: (文法) 語氣 (表示事物之確實(shí)性、可能性或可疑性等的動(dòng)詞形式之一)： the indicative/imperative/ subjunctive ~. 直述 (祈使，假設(shè)) 語氣。