/'koʊdʒənt/ a. Syn. convincing (有说服力的) reasonable and convincing; based on evidence; forcefully persuasive It was inevitable that David chose to go to Harvard: he had several cogent reasons for doing so, including a full-tuition scholarship.
/ɪ'bʌlɪənt/ a. (热情的,激动的) showing excitement; overflowing with enthusiasm Amy's ebullient nature could not be repressed; she' was always bubbling over with excitement.
/'fætjʊəs/ a. Syn. foolish (愚蠢的,不可理喻的,不理智的) foolish or silly, especially in self-satisfied way He is far too intelligent to utter such fatuous remarks.