名詞 expression:

1. the feelings expressed on a person's face
   同義詞：look, aspect, facial expression, face
2. expression without words
   同義詞：manifestation, reflection, reflexion
3. the communication (in speech or writing) of your beliefs or opinions
   同義詞：verbal expression, verbalism
4. a word or phrase that particular people use in particular situations
   同義詞：saying, locution
5. the style of expressing yourself
   同義詞：formulation
6. a group of symbols that make a mathematical statement
   同義詞：formula
7. (genetics) the process of expressing a gene
8. a group of words that form a constituent of a sentence and are considered as a single unit
   同義詞：construction, grammatical construction
9. the act of forcing something out by squeezing or pressing

1. He always shows a doleful expression.
   他總是露出憂郁的表情。
2. An expression of pain flitted across her face.
   她臉上閃過一種痛苦的表情。
3. He had a passive expression on his face.
   他臉上有一種漠然的表情。
4. There was an expression of discontent on her face.
   她臉上有不滿的表情。
5. The scenery was beautiful beyond expression.
   那風(fēng)景美麗得無法形容。

ex.pres.sion

n.（名詞）
The act of expressing, conveying, or representing in words, art, music, or movement; a manifestation:
表達，說明：用語言、藝術(shù)、音樂、行動來表達、交流或表現(xiàn)的行為；顯示：
例句：
an expression of rural values.
鄉(xiāng)村價值觀的表達

Something that expresses or communicates:
表達物：表達或傳送的東西：
例句：
Let this plaque serve as an expression of our esteem.
讓此碑來表達我們的敬意

Mathematics An operation or a quantity stated in symbolic form, such as &S{ô}x, y 2, or x + y.
【數(shù)學(xué)】 式子，表達式：用符號來表示運算或數(shù)量，如&S{ô}x,y 2或 x + y
The manner in which one expresses oneself, especially in speaking, depicting, or performing.
自我表現(xiàn)：自己表現(xiàn)自己的方式，尤其用語言、描繪或表演
A particular word or phrase:
特殊的措詞或短語：
例句：
.an old Yankee expression . . . ‘Stand up and be counted’.(Charles Kuralt)
.一個老年北方佬的口頭禪‘立起，報數(shù)’.(查爾斯·庫拉爾特)

The outward manifestation of a mood or a disposition:
感情的顯現(xiàn)：情緒或性情的外在表露：
例句：
My tears are an expression of my grief.
我的淚水表現(xiàn)了我的悲痛

A facial aspect or a look that conveys a special feeling:
表情，臉色：表現(xiàn)某種特殊情感的面部表情：
例句：
an expression of scorn.
輕視的表情

The act of pressing or squeezing out.
榨出：擠出或壓榨的行為
Genetics The act or process of expressing a gene.
【遺傳學(xué)】 基因顯現(xiàn)：顯現(xiàn)基因的行為或過程