mask

disguise, mask, cloak

名词 mask:

1. a covering to disguise or conceal the face
2. activity that tries to conceal something
3. a party of guests wearing costumes and masks
   同义词：masquerade, masquerade party, masque
4. a protective covering worn over the face

动词 mask:

1. hide under a false appearance
   同义词：dissemble, cloak
2. put a mask on or cover with a mask
3. cover with a sauce
4. shield from light
   同义词：block out

1. The mask fitted tightly over his face.
   他用面具把脸蒙得严严的。
2. Her sociable manner is really a mask for a very shy nature.
   她那好交际的作风，实际上是她腼腆天性的伪装。
3. Her smile masked true feelings.
   她的微笑掩饰了她的感情。
4. They did so under the mask of charity.
   他们是打着慈善的幌子这么做的。

mask

n.（名词）
A covering worn on the face to conceal one`s identity, as:
面具，面罩，假面具：带在脸上以隐藏身份的覆盖物，如：
A covering, as of cloth, that has openings for the eyes, entirely or partly conceals the face, and is worn especially at a masquerade ball.
（化妆舞会的）面具：布做面具，上有孔可露出双眼、全部或部分地遮住面部，尤在假面舞会上佩戴
A grotesque or comical representation of a face, worn especially to frighten or amuse, as at Halloween.
（万圣节带的）面具：古怪的或惹人发笑的面部面具，尤用于唬人或娱乐，如在鬼节时常佩戴的
A facial covering worn for ritual.
宗教仪式用的面罩
A figure of a head worn by actors in Greek and Roman drama to identify a character or trait and to amplify the voice.
面具：古希腊和罗马的戏剧演员佩戴的人物面具或头部面具，用以标明戏中人物性格或品质，同时扩大声音

A protective covering for the face or head.
罩，防护罩：用于脸或头的保护性覆盖物
A gas mask.
防毒面具
A covering for the nose and mouth that is used for inhaling oxygen or an anesthetic.
氧气罩、麻醉罩：用于为嘴或鼻子吸入氧气或麻醉的覆盖物
A covering worn over the nose and mouth, as by a surgeon or dentist, to prevent infection.
口罩：外科医生或牙医佩戴的防止感染的覆盖物

A mold of a person`s face, often made after death.
人死后做的面模
An often grotesque representation of a head and face, used for ornamentation.
头像：面或头部通常奇怪的象征，用于装饰
The face or facial markings of certain animals, such as foxes or dogs.
面部特写：某动物的脸或脸部用的印记，例如狐狸或狗
A face having a blank, fixed, or enigmatic expression.
茫然的脸：具有空洞、僵硬、谜样表情的面孔
Something, often a trait, that disguises or conceals:
伪装：遮盖或掩饰的东西，常是某种特性：
例句：
.If ever I saw misery under a mask, it was on her face.(Erskine Childers)
.如果我曾经看到过掩饰起来的苦难，那就在她的脸上.(厄斯金·蔡尔德斯)

A natural or artificial feature of terrain that conceals and protects military forces or installations.
掩体，掩蔽物：掩盖、保护军事力量或装备的天然或人工的地貌

An opaque border or pattern placed between a source of light and a photosensitive surface to prevent exposure of specified portions of the surface.
遮光板：置于光源与感光性表面之间的、防止表面特定部分曝光的边或图形
The translucent border framing a television picture tube and screen.
电视显像管和荧屏的半透明边框
Computer Science A pattern of characters, bits, or bytes used to control the elimination or retention of another pattern of characters, bits, or bytes.
【计算机科学】 掩码，屏蔽：字符、字位或字节的模式，用来控制另一字符、字位或字节模式的消除或保留
A cosmetic preparation that is applied to the face and allowed to dry before being removed, used especially for cleansing and tightening the skin.
面膜：涂在脸上的化妆前用品，干后除去，用以清洁和缩紧皮肤
Variant of masque
masque的变体
A person wearing a mask.
带面具（面罩）的人
v.（动词）
masked,mask.ing,masks
v.tr.（及物动词）
To cover with a decorative or protective mask.
带上：用带有装饰性图案的或具有保护功能的面具覆盖
To make indistinct or blurred to the senses:
掩盖，遮盖：便模糊，使不被觉察：
例句：
spices that mask the strong flavor of the meat.
盖住了肉类腥味的香料

To cover in order to conceal, protect, or disguise.See Synonyms at disguise
遮避掩护：为掩盖、保护或掩饰而遮盖参见 disguise
To block the view of:
挡住视线，遮住：
例句：
Undergrowth masked the entrance to the cave.
灌木丛阻挡了视线，而看不见洞穴里面

To cover (a part of a photographic film) by the application of an opaque border.
用遮光框遮住（胶片的一部分）
Chemistry To prevent (an atom or a group of atoms) from taking part in a normal reaction.
【化学】 中断反应：防止（原子或原子群）参加常规反应
v.intr.（不及物动词）
To put on a mask, especially for a masquerade ball.
戴面具，尤指为赴假面舞会
To conceal one`s real personality, character, or intentions.
隐瞒，掩饰：掩盖住某人真实的个性、性格或目的

来源：
French masque
法语 masque
from Italian maschera
源自 意大利语 maschera
from Late Latin masca [specter, witch, mask]
源自 后期拉丁语 masca [幽灵，幻觉，女巫]

【引伸】
mask.able
adj.（形容词）