onerous adj. 繁重的,费力的 (difficult and unpleasant to do or deal with) /ˈɒn(ə)rəs/
sonorous adj. 声音洪亮的 (having a sound that is deep, loud, and pleasant) / səˈnɔːrəs/
corroborate v. 佐证,提供证据证明 (to support with evidence or authority) / kəˈrɒbəreɪt/
collaborate v. 合作 (to work with another person or group in order to achieve or do something) / kəˈlabəreɪt/
intermittent adj. 间歇的,断断续续的 (starting, stopping, and starting again; not constant or steady) / ɪntəˈmɪt(ə)nt/
interminable adj. 持续的,没完没了的 (continuing for a very long time) / ɪnˈtəːmɪnəb(ə)l/
intermediary n. (作为)中间人的 (acting as a mediator) /ˌɪntəˈmiːdɪəri/
nettle v. 使... 生气 (to make (someone) angry) /ˈnɛt(ə)l/
rattle v. 扰乱 (to upset (someone) to the point of loss of poise and composure) /ˈrat(ə)l/