名詞 attention:

1. the process whereby a person concentrates on some features of the environment to the (relative) exclusion of others
   同義詞：attending
2. the work of providing treatment for or attending to someone or something
   同義詞：care, aid, tending
3. a general interest that leads people to want to know more
4. a courteous act indicating affection
5. the faculty or power of mental concentration
6. a motionless erect stance with arms at the sides and feet together; assumed by military personnel during drill or review

1. You should focus your attention on your work.
   你應(yīng)該把注意力放到工作上。
2. May I have your attention please?
   請(qǐng)大家注意一下。
3. He waved his hand to catch my attention.
   他揮手以吸引我的注意力。
4. You must pay attention to your teacher in the class.
   上課的時(shí)候必須專(zhuān)心聽(tīng)老師講課。
5. She soon becomes the centre of attention.
   她很快成為大家注意的人物。

at.ten.tion

n.Abbr. att.,attn.（名詞）縮寫(xiě) att.,attn.
Concentration of the mental powers upon an object; a close or careful observing or listening.
注意，專(zhuān)心，留心：將精力集中于某一物體；關(guān)注專(zhuān)心的觀察或傾聽(tīng)
The ability or power to concentrate mentally.
注意力：精力集中的能力或力量
Observant consideration; notice:
考慮，關(guān)心，照料：謹(jǐn)慎的考慮；注意：
例句：
Your suggestion has come to our attention.
我們已經(jīng)考慮了你的建議

Consideration or courtesy:
體諒，關(guān)懷：
例句：
attention to others` feelings.
體諒他人的感愛(ài)

attentions Acts of courtesy, consideration, or gallantry, especially by a suitor.
attentions 殷勤：尤指求婚者禮貌，體諒，英武的行為
A military posture, with the body erect, eyes to the front, arms at the sides, and heels together.
立正姿勢(shì)：一種軍人的姿勢(shì)，身體直立，目視前方，手臂置于身體兩側(cè)，腳跟并攏
interj.（感嘆詞）
Used as a command to assume an erect military posture.
（口令）立正：用作要求軍人立正姿勢(shì)的口令

來(lái)源：
Middle English attencioun
中古英語(yǔ) attencioun
from Latin attentiô attentiôn-
源自 拉丁語(yǔ) attentiô attentiôn-
from attentus [past participle of] attendere [to heed] * see attend
源自 attentus [] attendere的過(guò)去分詞 [留心，注意] *參見(jiàn) attend

【引伸】
atten.tional
adj.（形容詞）