1.為動詞,通常指“間斷的、持續(xù)性的,有時是一抽一抽的疼痛”。例如:His muscles ached from chopping wood.他的肌肉因劈柴而隱約作痛。2.有時用作比喻義,意思是“悲痛,苦惱, 同情”。例如:His mother ached at the very thought of what might happen.一想起...[繼續(xù)閱讀]

    1.為名詞,ache指一種持久的疼痛,是小病或失調引起的感覺,常是局部的。2.pain指人體感覺到不舒服,或由于嚴重受傷或疾病引起的疼痛,有時也指局部疼痛影響全身,比ache重。例如:His face was drawn with pain.他疼得面部肌肉都抽縮起來了。...[繼續(xù)閱讀]

    1.可用作及物動詞,也可用作不及物動詞,指達到所期望的目標或一定水平的成就。例如:He achieved because he was a hard worker.他辛勤工作,因而取得了成就。2.achieve,gain,attain,reach都作“達到, 獲得”解,但含義不盡相同:a.) achieve著重表示達到一...[繼續(xù)閱讀]

    1.均為形容詞,acid用于那些在自然或正常狀態(tài)下有酸味的東西。例如:A lemon is an acid fruit.檸檬是一種酸水果。2. sour常與acid互換使用,但sour通常包含有變質難聞的意味。例如:sour milk發(fā)酸變質的牛奶但也可能不暗示這種變質。例如:sour...[繼續(xù)閱讀]

    1.為動詞,作“承認”解,其后可接as、動名詞、that從句或復合賓語。例如:He acknowledged his defeat at the elections.他承認自己競選失敗。Jim is acknowledged as an expert on the subject.大家公認吉姆是研究這個問題的專家。He grudgingly acknowledged having...[繼續(xù)閱讀]

    1.acknowledge著重“公開承認”過去隱瞞或曾經(jīng)否認過的事。例如:With so much evidence against him,he could not but acknowledge his error.在如此多的證據(jù)面前他不得不承認自己的過錯。2.adimit常暗示外界壓力下的“承認,不情愿”的意味比acknowledge重。...[繼續(xù)閱讀]

    1.作及物動詞用于主動語態(tài)時,賓語后接 with短語,有以下用法:a.)作“使認識,使了解”解,多以oneself 為賓語。例如:I have acquainted myself with the subject.我已經(jīng)了解了這個科目。b.)作“通知,告訴”解。例如:I acquainted him with the event/my intent...[繼續(xù)閱讀]

    1.該詞除用作集合名詞外,還可以用作可數(shù)名詞。作“相識之人,熟人”解。例如: He has a wide circle of acquaintance(s). 他交際極廣。a casual/chance acquaintance偶然結識之人a nodding/bowing acquaintance點頭之交a speaking acquaintance見面才說幾句話的相識...[繼續(xù)閱讀]

    1.不能把介詞across用作動詞cross。不能說:* You must be careful while acrossing the street.應該說:You must be careful while crossing the street.過馬路要小心。2.用作形容詞,相當于crossed,意為“交叉”。例如:He is standing here with arms across.他正兩只胳膊交叉...[繼續(xù)閱讀]

    1.作不及物動詞,可與on,upon連用,作“起作用,盡職責”解。例如:Does the drug take long to act(on the nerve centres)?此藥物需長時間才(對神經(jīng)中樞)起作用嗎?The gastric juice acts upon the food we swallow.胃液消化我們吃下去的食物。2.作及物動詞,作“扮...[繼續(xù)閱讀]