spark 火花，火星 The firework burst into a shower of ～s

　　sparkle 发光，闪耀 Her eyes were sparkling with anger

　　tentative 试验性的，试探性的，暂时的，推测的 a ～plan

　　terminate 停止，结束，使终止 ～ a contract

　　terrify 使害怕，使惊吓 She was terrified out of her wits

　　testify 作证，证明 He agreed to ～ on behalf of the accused man

　　humble 地位(或身份)低下的，卑贱的：a humble job

　　hysterical 情绪异常激动的，歇斯底里的 an hysterical outburst of fury

　　identical 同一的：the same (very)identical menu

　　identify 识别，鉴别：He identified the coat as his brother’s

　　idle 闲散的，闲置的：idle money

　　ignite点燃，使燃烧：ignite a stove fire with scraps of paper

　　impose 征(税)，加(负担，惩罚等)于(on, upon)：impose additional tax on business expansion

　　impulse 推动，驱动：give an impulse to the development of the friendly relations between the two countries

　　intact 完整无缺的，未经触动的，未受损伤的：an intact family

　　integrate使成一体，使合并(with, into)：integrate traditional Chinese medicine with western medicine

　　interfere 妨碍，冲突(with)：Misty weather interfered with the contact

　　intermittent 间歇的，断断续续的，周期性的：suffer from intermittent headaches

　　hazard 危险，危害物，危险之源：a life full of hazards

　　label 标签，标记，标号：put labels on your luggage

　　lag 走得慢，落后，滞留：Some of the runners began to lag

　　latent 潜在的，隐伏的，不易觉察的：a latent infection

　　leak 漏洞，裂缝：The pipe has got a leak

　　lean 斜，倾斜 the Leaning tower of Pisa

　　initiate 开始，发起：initiate a conversation

　　innovate 革新，改革，创新(in,on/upon)：innovate on another’s creation

　　inquire 询问，打听：He inquired what the weather was likely to be

　　insert 插入，嵌入：In the pause he managed to inquire a question

　　inspire 鼓舞，激起：His speech inspires the crowd

　　tumble 跌到，滚下The baby is just learning to walk and he’s always tumbling over

　　tune 曲调，曲子 She wrote the words of the song and her brother wrote the ～

　　turbulent 骚乱的，动荡的，混乱的，狂暴的a ～ crowd

　　turn 转动，旋转Turn the hands of the clock until they point to 9 O’clock

　　tutor 家庭教师，指导教师 When the students are making their choices, their ～ may well guide them

　　twinkle 闪烁，闪耀，闪亮 The diamond on her finger ～d in the firelight

　　twist 捻，搓，绞，拧 ～ a rope out of threads

　　whistle 吹口哨，鸣笛 The train ～d

　　whitewash 粉饰