guard，take precautions，be on the alert，keep a sharp lookout，watch out for ；
[例句] 武装部队保持高度戒备，以防发生任何报复行动。 The armed forces were on high alert to guard against any retaliation.
[例句] 他对自己的位置心存戒备。 He felt a certain defensiveness about his position.
(woman's personal) ornaments，jewelry，headgear ；
[例句] “可这是一件漂亮的首饰，不是吗？” "It's a nice piece of jewellery though, isn't it?"
[例句] 我花很多钱购买昂贵的首饰和衣服。 I spend a lot on expensive jewelry and clothing.
milepost，bosom，milestone，landmark，marker ；
[例句] “ 我们的工作, ” 他说到这一话题来了劲, “ 将会是科学史上的里程碑. ” " Our work ", he continued, warming to his theme, " will be a milestone in scientific history. ”
[例句] 这部著作是现代科学发展史上著名的里程碑之一. The book stands out as one of the notable landmarks in the progress of modern science.
left side，left hand，nearside ；
[例句] 他们慢慢地从舞台后方的左侧移至正中。 They slowly moved from upstage left into the centre.
[例句] 他的房间位于四方院的左侧。 His rooms were on the left-hand side of the quad.
process，march forward，advance，travel ；
[例句] 他眼睛直视前方，加速超过了前面一辆慢吞吞行进的大卡车。 He looked straight ahead and overtook a lumbering lorry.
[例句] 卡车沿着赞比西山谷的绝壁缓缓行进。 The truck was trundling along the escarpment of the Zambesi valley.
manipulation，massage ；
[例句] 只有针灸、脊椎指压治疗或者推拿术才能实现彻底治愈。 A permanent cure will only be effected by acupuncture, chiropractic or manipulation.
[例句] 蒙哥马利主动为我推拿. Montgomery offered me a massage.
midgut，mid-intestine，mesenteron，duodenum ；
[例句] 这就为前肠和中肠的邻接部分提供了神经. This innervate the adjacent region of the fore and middle intestine.
[例句] 对此结中肠, 义往难复留. This makes my grief the harder to bear; Yet it is right that you should go.
[生] mesh，[电工] loop ；
[例句] 这个网有半英寸见方的网孔. This net has half - inch meshes.
[例句] 网孔规格尺寸50~200是金属丝布网,并采用穿孔不锈钢加固. Mesh sizes 50 - 200 are wire cloth screen with perforated stainless steel reinforcement.
(early) morning，matinal，morn，morningtide ；
[例句] 9月到了,早晨已有了寒意. September is here, bringing with it a chill in the mornings.
[例句] 他今天早晨已想尽办法与她联系。 This morning he had tried every way possible to contact her.
[地理] mountain range，mountain chain，ridge，montes （月面），cordillera ；
[例句] 他们零星散居在安第斯山脉的高处。 They live high in the Andes, in small and dispersed groups.
[例句] 马西山是阿迪朗达克山脉中最高的山。 Mount Marcy is the highest mountain in the Adirondacks.
go on a journey，begin a journey，depart，set out on a journey，get off ；
[例句] 尼科尔斯动身去他在康涅狄格州的偏僻农舍了。 Nichols set off for his remote farmhouse in Connecticut.
[例句] 我动身去山谷了，一切全凭运气。 I set off for the valley, trusting to luck.
visit，pay a visit to，call on，look up，visitation ；
[例句] 海伦最近去探望了他。 Helen had recently paid him a visit.
[例句] 她少有的探望家人 her infrequent visits home
sound，noise ；
[例句] 唯一的声响是冰层噼噼啪啪碎裂的声音。 The only sound was the crackle of breaking ice.
[例句] 人们开始四下察看，想弄清楚那声响来自何处。 People began looking across to see where the noise was coming from.
arrange，make up，lay out，layout ；
[例句] 汤米·图恩在编排的舞蹈中注入其一贯的优雅和活力。 Tommy Tune gives the choreography his usual class and zip.
[例句] 总统的车经过时，人们按精心编排的动作挥舞着旗帜。 There was some carefully choreographed flag-waving as the President drove by.
[数] real，real number，the actual amount or number ；
[例句] 实数称为X重心坐标. The real numbers are called the barycentric coordinates of x.
[例句] 在PASCAL语言中, 称为成员的非实数标量元素的集合. In PASCAL , a collection of nonreal scalar elements, called members.
[机] pallet，tray，shallow，waiter，salver ；
[例句] 用贝壳来装点盒子、托盘、镜子甚至是花盆。 Use shells to decorate boxes, trays, mirrors or even pots.
[例句] 我看着他拿了个托盘排起了队。 I watched as he got a tray and joined the queue.
historical remains，relic，vestigium，token，relique ；
[例句] 这一遗迹在德鲁伊特来到不列颠前就已存在。 The monument predates the arrival of the druids in Britain.
[例句] 挖掘工作已显示在该地区有罗马和盎格鲁-撒克逊时代的遗迹。 Ex-cavations have revealed Roman and Anglo-Saxon remains in the area.
beg，plead，implore，mooch ；
[例句] “求求你留下来给我读点东西吧，妈妈，”他央求道。 "Please stay and read to me, mummy," he beseeched.
[例句] 她用的是央求的语气。 Her voice was pleading.
doubt，suspect，suspicion，（怀疑） suspect doubt ；
[例句] 起了疑心的爱好者揭发了这一勾当，警察在诺丁汉逮捕了一名男子。 Suspicious fans exposed the racket and police arrested a man in Nottingham.
[例句] 我很疑心那件事. I am very doubtful of that.
tortoise shell，turtleback ；
[例句] 这些刻在龟甲上的文字是107年前发现的. These oracle bone inscriptions discovered about 107 years ago.
[例句] 罗马第九军团组成龟甲阵方队 —— 注意 —— 进军! Ninth Legion into testudo formation -- wait for it -- march!'