adj. 困难的( hard的最高级 )，硬的，有力的，努力的；

[例句] He shuffled his feet on the hard wooden floor...

[例句] Something cold and hard pressed into the back of his neck.

n. 线索，迹象，提示，注意事项，暗示，微量；vt. 暗示；vi. 暗示，提示；

[例句] The Minister gave a strong hint that the government were thinking of introducing tax concessions for mothers...

[例句] I'd dropped a hint about having an exhibition of his work up here...

vt. 限制，限定，约束，束缚；

[例句] There is talk of raising the admission requirements to restrict the number of students on campus...

[例句] The French, I believe, restrict Japanese imports to a maximum of 3 per cent of their market.

vt. 打（谷等）使脱粒，猛烈摆动，（用棍、鞭等）痛打，责打，彻底打败；vi. 打谷，脱粒，猛烈摆动，拍打，徒劳地努力，白忙；n. 打谷，拍打，[泳]（自由式用脚，手）打水，[航]逆

[例句] Second-placed Rangers thrashed St Johnstone 5-nil.

[例句] 'Liar!' Sarah screamed, as she thrashed the child. 'You stole it.'

n. 质地，结构，本质；v. 使具有某种结构；

[例句] Aloe Vera is used in moisturisers to give them a wonderfully silky texture...

[例句] Her skin is pale, the texture of fine wax.

adj. 古代的，已往的，古老的，过时的，年老的，老式的；n. 古代人，古文明国的国民，高龄老人，旗手；

[例句] They believed ancient Greece and Rome were vital sources of learning.

[例句] ...ancient Jewish tradition.

n. 手艺，诡计，飞行器，船；vt. 手工制作，精巧地制作；

[例句] With great difficulty, the fisherman manoeuvred his small craft close to the reef...

[例句] The troops are reported to have advanced nearly four miles since they were landed from naval craft on Sunday evening.

vt. 不信任，怀疑；n. 不信任，猜疑，疑惑，不相信；

[例句] I don't have any particular reason to distrust them.

[例句] What he saw there left him with a profound distrust of all political authority.

adj. 无辜的，无罪的，清白的，天真无邪的，无知的；n. 无辜者，头脑简单的人，天真无邪的人；

[例句] He was sure that the man was innocent of any crime...

[例句] The police knew from day one that I was innocent.

vi. 反应，作出反应，影响，起反作用；vt. 使发生相互作用，使起化学反应，反抗，再演，重演；

[例句] They reacted violently to the news...

[例句] It's natural to react with disbelief if your child is accused of bullying...

vt. 建议，提议，暗示，使想起，启示；

[例句] He suggested a link between class size and test results of seven-year-olds...

[例句] I suggest you ask him some specific questions about his past...

n. 塔，楼塔，要害地，〈罕〉（负伤鸟的）笔直向上飞，〈美〉铁路信号所；vi. 远远高于，远远超过，高耸，超越；na. “Towers“的变体；

[例句] ...an eleventh century castle with 120-foot high towers.

[例句] ...the Leaning Tower of Pisa.

adj. 驯服的，平淡的，无精打采的；v. 驯服，抑制；

[例句] The deer never became tame; they would run away if you approached them.

[例句] Some of today's political demonstrations look rather tame...

n. 通风孔，排气孔，（感情等的）发泄，吐露，（鸟，虫，鱼的）肛门；vt.& vi. 表达，发泄（感情，尤指愤怒），给…开孔，放出，（通过排泄等）减轻压力；

[例句] Quite a lot of steam escaped from the vent at the front of the machine...

[例句] There was a small air vent in the ceiling.

vt.& vi. （改变…以）适应，调整，校正，调准（望远镜等），对准，校正，校准（机械等），核算（盈亏），[保]评定（赔偿要求）；

[例句] We have been preparing our fighters to adjust themselves to civil society...

[例句] I felt I had adjusted to the idea of being a mother very well...

vt. 影响，假装，感动，（疾病）侵袭；n. 感情，情感，心情，[精神病学]（表露或觉察到的）情绪反应；

[例句] Nicotine adversely affects the functioning of the heart and arteries...

[例句] More than seven million people have been affected by drought.

n. 帮助，援助，机器助手，辅助装置；vt. 帮助，援助，帮助某人做某事，搀扶（某人）上下车；vi. 援助，出席，参加；

[例句] Julia was assisting him to prepare his speech...

[例句] The family decided to assist me with my chores...

n. 上下文，背景，环境，语境；

[例句] We are doing this work in the context of reforms in the economic, social and cultural spheres.

[例句] ...the historical context in which Chaucer wrote...

n. 地区，教区，〈美〉（各州众议员）选举区，行政区，市区；vt. 把…分区；

[例句] I drove around the business district.

[例句] ...Nashville's shopping district.

vt. 预防，阻碍，阻止，[宗教]引领；vi. 阻挠，阻止；

[例句] These methods prevent pregnancy...

[例句] Further treatment will prevent cancer from developing...