/ə'sɪdjʊəs/;/ə'sɪdʒʊəs/ a. Syn. diligent; persistent (勤奋) constant in application or attention; diligent; unceasing or persistent He was assiduous, working at this task for weeks before he felt satisfied with his results.
/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.
/ɪn'ɛfəb(ə)l/ a. Syn. unutterable (不可言喻的,无法用语言表达的,不能说的,避讳的) unutterable; cannot be expressed in speech Such ineffable joy must be experienced; it cannot be described.