stomium，chop，cleft，split head，breach ；

[例句] 树脂从树皮的裂口自然地流出来. Pitch bleeds freely from break in the bark.

[例句] 水从管子的裂口喷出. Water spouted from the break of the pipe.

oral instruction，pass on through oral instruction，dictate，dictate sth. to sb. ；

[例句] 他向秘书口授信稿。 He dictated a letter to his secretary.

[例句] 那位新秘书善于记录口授. The new secretary takes dictation very well.

spigot，socket，interrupt，chip in，faucet ；

[例句] 我敢肯定那根黄线接那个黄色插口。 I'm sure that yellow lead matched up to that yellow socket.

[例句] 办公室配有照明 、 空调 、 电话 、 网络和电源插口. The office is equipped with lighting, air - conditioner , telephone, internet and electric socket.

vulnus (pl. vulneva)，wound，cut，[电影]Wound；

[例句] 她把碘酒轻搽在前额的伤口上。 She dabbed iodine on the cuts on her forehead.

[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.

[书] keep one's mouth shut，hold one's tongue，say nothing ；

[例句] 她对自己的成就缄口不言。 She is so reticent about her achievements.

[例句] 希尔斯登缄口不提任何可能使人们对他的动机产生怀疑的话题。 Hillsden scrupulously avoided any topic likely to arouse suspicion as to his motives.

shut up ；

[例句] 戈登先生突然闭口不言，他的朋友们知道有哪儿不对劲了。 Mr. Gordon stopped talking, and his friends knew something was up.

[例句] 他知道罪犯是谁，但却闭口不说。 He knows the culprit but is not letting on.

colloquial language，colloquialism，spoken language，oral language；

[例句] 含有1亿单词的英语口语语料库 a corpus of 100 million words of spoken English

[例句] 你的英语口语有明显的进步. There is a distinct improvement in your spoken English.

boast，brag，talk big，gasconade ；

[例句] 玛丽夸口说她比杰克跑得快. Mary bragged that she could run faster than Jack.

[例句] 他夸口说自己是权威. He boasts that he is an authority.

stutter，stammer，spasmophemia，balbucinate，hesitation ；

[例句] 莉薇津津有味地大口吃着点心。 Livy ate the pasties greedily and with huge enjoyment.

[例句] 5%的儿童在某个时期会口吃。 Five per cent of children stammer at some point.

ejector，spout，lip，exhaust nozzle ；

[例句] 喷口修复后，水罐还能用。 The ewer is in very good condition with spout restored.

[例句] 喷口处冒出一股薄薄的水蒸气. A thin cloud of steam was rising from the spout.

（嘴边） corner of the mouth；

[例句] 与某人口角 to have a tiff with sb

[例句] 我和一些反对我们拍摄的人发生了小小的口角。 I had a slight altercation with some people who objected to our filming.

open mouth，rictus，dehisce，yawn ；

[例句] 你张口闭口就是各种歧视—性别歧视、年龄歧视、种族歧视。 You're always talking in isms—sexism, ageism, racism.

[例句] 外宾们站着不动约莫有一分多钟之久,张口凝视着这个世界奇迹 -- 长城. For more than one minute our foreign guests remained standing still gaping at this wonder of the world -- the Great Wall.

[建] tongue-and-groove，groove and tongue，rabbet，bezel ；

kakostomia，ozostomia，bromopnea，fetid breath，halitosis ；

[例句] 离我远点——你有口臭。 Get away from me —your breath stinks.

[例句] 吸烟会导致口臭。 Smoking causes bad breath.

[工] rabbet，notch，check，dap ；

[例句] 制造时,为安装纵梁翼缘,在箱型梁中用焰割法开槽口. During fabrication slots for the stringers flanges were flame cut into box girders.

[例句] 特点: 欧标槽口设计, 外开, 上悬, 固定. Feature: European groove , outside - swing, hinges, casement, awning and fixed windows.

strategic pass，gate，（关头） juncture，col，pass ；

[例句] 冬天来临，大部分关口均已关闭。 Most of the passes have been closed with the onset of winter.

[例句] 向导慢慢地通过狭隘的关口. The guide slowly led through the pass's jaws.

word of command，word，command，shibboleth，countersign ；

[例句] 上前说出口令。 Advance and give the password.

[例句] 你必须给出口令,他们才会让你进去. You must give the password before they'll let you in.

thirsty，have a cobweb in the throat，thirst，thirstily ；

[例句] 她突然口渴了。 She was suddenly thirsty and dry.

[例句] 他感到口渴难忍。 He felt a raging thirst.

appetite，belly，liking ；

[例句] 对以前爱吃的食物，他兴许突然就没了胃口。 He may suddenly take a dislike to foods that he's previously enjoyed.

[例句] 牛津的社交圈过于开放,不合她的胃口. Oxford's social circle was far too liberal for her taste.

pet phrase，lip-service，shibboleth，commonplace sayings，tag ；

[例句] 他开口说话总带口头禅. He could hardly open his mouth without using one or other of his tags.

[例句] 就像他们的口头禅: ‘ 我在这个地方住了二十年喽. ’ Like their everlasting, " I've been twenty years in this country. "