fix，set，determine，surely；

[例句] 这样的地产是否可获得大笔收益还要视具体情形而定。 Whether such properties are a good deal will depend on individual situations.

[例句] 在巴基斯坦政治历史上的这个紧要关头,一切皆非定数. Nothing seems certain in this crucial period in Pakistan's political life.

stable，quiet，stabilize，maintain，compose ；

[例句] 那女孩躺在行军床上，因服用安定剂完全处于恍惚的状态。 The girl lay on an army cot, all doped up with Valium.

[例句] 总有一天，我会想安定下来，成个家。 One day I'll want to settle down and have a family.

stabilize，steady，stable，stabilization，level off ；

[例句] 道格拉斯29岁，是个技术不错的拳击手，在以前的比赛中发挥不太稳定。 Douglas was a 29-year-old journeyman fighter, erratic in his previous fights.

[例句] 以前曾发生过暴乱，现在局势不太稳定。 There have been riots before and the situation is volatile.

judge，decide，vote，determine，determinant ；

[例句] 评委们无法判定它属于哪一类。 The judges could not decide which category it belonged in.

[例句] 我不能判定他到底是英勇无畏还是精神失常。 I couldn't decide whether he was incredibly brave or just insane.

stipulate，provide，fix，set；

[例句] 这些大机构总是随意制定规定，而且说变就变。 These large institutions make — and change—the rules to suit themselves.

[例句] 条约规定他们必须尊重其邻国的独立。 The treaty binds them to respect their neighbour's independence.

appraisal，appraise，identify，authenticate，checkup ；

[例句] 这门学位课程经电气工程师学院鉴定完全合格。 This degree programme is fully accredited by the Institution of Electrical Engineers.

[例句] 在这次调查中，DNA指纹鉴定起了决定性的作用。 DNA fingerprinting has proved the clincher in this investigation.

fixed，regular，fasten，immobilization；

[例句] 他的房子是我儿时唯一固定的家。 His house was the only settled home I had as a child.

[例句] 建造工人必须把新建房屋的屋顶固定得更牢靠些。 Builders must fasten down roofs of newly-built homes more securely.

confirm，ensure，make sure，ascertain；

[例句] 死者的身份现在已经确定。 The identities of the deceased have now been determined.

[例句] 他用手指摸了摸伤口，想要确定受伤的程度。 He explored the wound with his finger, trying to establish its extent.

fixed position，location，orientate，position，go to ；

[例句] 大多数蝙蝠靠回声定位来飞行。 Most bats navigate by echolocation.

[例句] 全球定位系统在赤道附近性能最好。 GPS operates best near the equator.

prescribe [set] a limit to，limit，restrict，determine，demarcate ；

[例句] 汽车司机每月的油量将限定为30升。 Motorists will be rationed to thirty litres of petrol a month.

[例句] 这家医院可能会限定只有当地居民才能预约。 The hospital may restrict bookings to people living locally.

timing，at regular time，fixed time，time ；

[例句] 他被实时监测，定时量血压。 He is being constantly monitored with regular checks on his blood pressure.

[例句] 弹药必须定时更换。 The cartridge must be replaced at regular intervals.

directional，orient，orientation，sense of orientation ；

[例句] 碟形卫星天线的定向性非常强。 Dish aerials are highly directional.

[例句] 你一定向他吹 —— ” You must have bragged to him - "

agree on，appoint，arrange，convention，assumpsit；

[例句] 约定的日期没到，你不能把钱要回去。 You cannot ask for your money back before the agreed date.

[例句] 我们约定6:30在接待处会面。 We arranged to meet in reception at 6.30.

appoint，specify，designated；

[例句] 指定阅读书目之一是简·奥斯汀的《爱玛》。 One of the set books is Jane Austen's Emma.

[例句] 船只必须在指定的港口把捕到的鱼卸下。 The vessels will have to land their catch at designated ports.

quota，quantum，norm，allotment standard，ration ；

[例句] 生产定额, 预算约束等等可以限制变量的变化范围. Production quotas, budget constraints, etc. might restrict the variation of the variables.

[例句] 我们得将水按定额配给. We'll have to ration out the water.

definition，delimiting，define，circumscription，definiens ；

[例句] “这全视乎你对朋克摇滚乐的定义，不是吗？” It all depends on your definition of punk, doesn'tit?

[例句] “知晓”的法律定义通常假定存在思维控制能力。 The legal definition of "know" often presumes mental control.

fix in advance，predetermine，schedule，[计] reserve，destine ；

[例句] 子弹未击中预定的目标。 The bullet missed its intended target.

[例句] 溅落位置预定在瓦尔帕来索以西300公里. Splashdown is expected 300 kilometres west of Valparai so.

suppose，assume，hypothesis，grant，postulate ；

[例句] 假定大家都想变得更有自知之明。 It is assumed that you are interested in achieving greater self-awareness.

[例句] 这一协议假定借贷双方都是在神志清楚的状态下签订的。 The arrangement presumes that both lenders and borrowers are rational.

quantify，norm，determine the amounts of the components of a substance，ration ；

[例句] 定量供应很久以前就结束了饼干过剩的状况。 Rationing had put an end to a surfeit of biscuits long ago.

[例句] 我们都得排队领取定量配给票证薄。 We all had to queue up for our ration books.

sure，certain，affirm，definite；

[例句] 但法律专家们不能肯定这一指控是否成立。 But legal experts are not sure if such a charge can stick.

[例句] 我相信他肯定非常担心黛安娜。 I believe he is most painfully anxious about Diana.