great，weighty，major，significant，bigness ；
[例句] 我再也无可奉告了，这本是重大的秘密。 I can't say any more, it's meant to be a big secret.
[例句] 他猜测说有些人也许能够察觉重大灾难。 He conjectured that some individuals may be able to detect major calamities.
forge，forging，smith forging，smithing ；
[例句] 锻造刀刃需要很高超的技巧。 To forge a blade takes great skill.
[例句] 刺刀刃是用最优质的钢锻造的. A bayonet blade is forged from the finest steel.
stop up，block up，blocking，occlusion，build up ；
[例句] 耳垢堵塞耳道可能会影响听力。 Hearing can be affected by ear wax blocking the ear canal.
[例句] 氧化胆固醇可能是造成动脉堵塞的元凶。 Oxidized cholesterol may be responsible for furring up the arteries.
[物] power，rate of work，capacity factor，capacity ；
[例句] 汽车的功率越大，就越难驾驭。 The more powerful the car the more difficult it is to handle.
[例句] 这些发动机的功率并不真的很大,效率也不高. These engines were not really very powerful or efficient.
名 （链子） chain；动 （用链栓住） chain，enchain；量 （计量海洋上距离的长度单位） cable length，daisy chain ；
[例句] 有一次他裤链没拉就出了厕所。 He once emerged from the toilets with his flies unfastened.
[例句] 急救人员担心燃烧着的船只可能会脱链滑走。 Emergency workers fear that the burning ship could slip its moorings.
structure，construction，constructional detail，tectonic，conformation ；
[例句] 看看椅子的下面，检查一下它的实际构造。 Check the actual construction of the chair by looking underneath.
[例句] 这些椅子构造轻巧，但却极为结实。 The chairs were light in construction yet extremely strong.
tunnel，tunneling，tunnelling，chunnel，tube ；
[例句] 英吉利海峡隧道是欧洲最大的土木工程。 The Channel Tunnel project is the biggest civil engineering project in Europe.
[例句] 海峡隧道预计1993年年底前开通。 The Channel tunnel was due to open towards the end of 1993.
harden，stiffen，[医]sclerosis，hardening，cirrhosis ；
[例句] 人老了,关节也硬化了. The man is getting old and his joints are stiff.
[例句] 塑料被注入模子后,便放在一边让它慢慢凝结硬化. The plastic was poured into the mold and left to set until it was firm.
main，chief，principal，major，mostly ；
[例句] 书房把主要的生活区与厨房连在一起。 The study links the main living area to the kitchen.
[例句] 他对语言的误解是引起其他问题的主要原因。 His misunderstanding of language was the primary cause of his other problems.
human，mankind，humanity，human being，humankind；
[例句] 这些酒中大部分都不适于人类饮用。 Most of the wine was unfit for human consumption.
[例句] 他关心人类生存环境的改善。 He was concerned with the enhancement of the human condition.
switch，derail，disjunctor，on-off，[电影]Switchcraft；
[例句] 我面对的是一大堆旋钮、控制杆和开关。 I was confronted with an array of knobs, levers, and switches.
[例句] 爱德华王子按动开关亮起彩灯。 Prince Edward threw the switch to light the illuminations.
synthesize，synthetical，comprehensive，multiple，colligate ；
[例句] 她在伦敦南部的奇姆综合中学教法语。 She taught French at Cheam Comprehensive in South London.
[例句] 他正试图把各种激进的哲学思想综合在一起。 He's trying to bring together various strands of radical philosophic thought.
company，corporation，firm；
[例句] 若IBM公司和苹果公司联手将会有什么效果呢？ What will be the effect of the alliance between IBM and Apple?
[例句] 医生们抱怨他们疲于应付医药公司的销售人员。 Doctors are complaining about being barraged by drug-company salesmen.
condition，term，requirement，prerequisite，qualification ；
[例句] 这种疾病传播的条件已经成熟。 The conditions are ripe for the spread of disease.
[例句] 我不开车，公共汽车条件又太糟糕。 I don't drive and the buses are quite hopeless.
dense，denseness，compactedness，thickness ；
[例句] 东南部是人口最稠密的地区。 The southeast is the most densely populated area.
[例句] 爪哇岛人口稠密。 Java is a densely populated island.
bind，tie，join，jointing，coupling ；
[例句] 他的前途与公司的前途紧紧地联结在一起. His future is closely bound up with that of the company.
[例句] 这台机器的两部分是如何联结起来的? How are the two halves of the machine joined together?
smash，shatter，broken to pieces，pulverize，comminute ；
[例句] 就在那一刻，无线电遥控器摔得粉碎。 At that point the radio handset fell to pieces.
[例句] 这些就是用来粉碎他们所谓的经济奇迹的事实。 These are the facts that explode their so-called economic miracle.
形 stupid，muddleheaded，silly，think or act mechanically，foolish ；
[例句] 我觉得签这个协议真傻。 I feel such a mug for signing the agreement.
[例句] 我只是傻傻地站在那里看着他。 I just stood there feeling foolish and watching him.
reduce，lessen，narrow，shrink，deflate ；
[例句] 到1973年，这一差距已缩小到几乎为零。 By 1973, this gap had narrowed almost to vanishing point.
[例句] 空中救援行动的规模现在已经有所缩小。 The air rescue operation has now been scaled down.
difference，disparity，dissimilarity，distinction，contrast ；
[例句] 我们之间唯一的差别就是肤色。 The only difference between us is the colour of our skins.
[例句] 孩子开始时不太能辨别语言中的差别。 The child'll start out by making relatively few distinctions in the language.