word和expression有什麼分別？

word explain :
n.
1. 詞,單字[C]
2. (簡短的)一句話[S]
He threw in a word or two now and again.
他不時插一兩句話。
3. 話,談話;言辭;歌詞[S1][P1]
I cannot remember the words of the song.
我忘了那首歌的歌詞。
4. 消息,音訊;傳說[U][E][(+of)][+that]
He sent word to us that he would not be able to come.
他帶信來,說他來不了。
5. 最貼切的字眼[the S]
6. 口令;暗號[the S]
7. 命令,指示[the S]
The general gave the word to execute the deserters.
將軍下令處決逃兵。
8. 諾言[S]
He is a man of his word.
他是個信守諾言的人。
9. 口角,爭論[P]
Sarah had words with her brother this morning.
今天上午賽拉與她兄弟吵過嘴。
10. 【宗】(大寫)聖經,福音[the S]
vt.
1. 用言詞表達[O]

expression explain :
n.
1. 表達;表示[U][C][(+of)]
I sent them flowers as an expression of thanks.
我給他們送去鮮花表示感謝。
the free expression of ideas
自由發表意見
2. 表情;臉色;聲調[C][U]
There was no expression on her face.
她臉上毫無表情。
3. 表現力[U]
4. 措辭;詞句[C]
"Shut up" is not a polite expression.
"住口"不是有禮貌的話。
5. 榨出,擠壓[U]
6. 【數】式;符號[C]

Hope can help you la ^^

http://hk.dictionary.yahoo.com/search.html?q=1&s=expression
http://hk.dictionary.yahoo.com/search.html?q=1&s=word

2007-07-24 16:22:02 補充：
分別就是 word 是用言詞表達，而 expression 是表達;表示的意思。簡單來說，word 只是用言語or詞語來表達，但是 expression 就是不理甚麼，都說出來。這是個人的意見。