futile adj. 无效的,无用的 (completely ineffective) /ˈfjuːtʌɪl/
fertile adj. 多产的(即可指农作物,也可以指思想、想法) (producing a large amount of something) /ˈfəːtʌɪl/
coarse adj. 粗糙的 (having a rough quality) /kɔːs/
coerce v. 迫使,强迫 (to compel to an act or choice) /kəʊˈəːs/
lambaste v. 严厉批评 (to criticize (someone or something) very harshly) /lamˈbeɪst/
bombast n. 夸大的言辞 (pretentious, inflated speech or writing) /ˈbɒmbast/
didactic adj. 用于教育他人的, 说教的 (designed or intended to teach people something) /dɪˈdaktɪk/
dictatorial adj. 独裁的,独裁者的 (trying to control other people in a forceful and unfair way ) /dɪktəˈtɔːrɪəl/
appropriate adj. 合适的 (suitable or compatible ) /əˈprəʊprɪət/
approximate adj. 大约的,近似的 (located close to a real or actual thing, something inexact but very similar) /əˈprɒksɪmət/