形容词随便的; 偶然的; 非正式的; 临时的

名词临时工人; [军]待命士兵; 没有固定工作的劳动者; 不定期领取救济金的人

1. 漫不经心的;(故作)随意的
If you are casual, you are, or you pretend to be, relaxed and not very concerned about what is happening or what you are doing.

e.g. It's difficult for me to be casual about anything...
要我轻松处事很难。
e.g. He's an easy-going, friendly young man with a casual sort of attitude towards money.
他是个随和、友善的年轻人，不太在意金钱。

名词接触; 触点; [医]（传染病）接触人; 门路

及物动词使接触; 与…联系; 与…通讯（或通话）

不及物动词联系，接触

1. (尤指经常性的)联系，联络
Contact involves meeting or communicating with someone, especially regularly.

e.g. Opposition leaders are denying any contact with the government in Kabul...
反对派领袖否认与喀布尔政府有任何联系。
e.g. He forbade contacts between directors and executives outside his presence.
他禁止董事与管理层绕开他私下进行任何联系。

2. 保持联系;有联系
If you are in contact with someone, you regularly meet them or communicate with them.

e.g. He was in direct contact with the kidnappers...
他与绑架者有直接联系。
e.g. We do keep in contact.
我们确实保持着联系。

3. 联系;联络
If you contact someone, you telephone them, write to them, or go to see them in order to tell or ask them something.

e.g. Contact the Tourist Information Bureau for further details...
详情请洽旅游信息处。
e.g. When she first contacted me Frances was upset.
弗朗西丝第一次与我联系时很心烦意乱。

4. (信息、电话号码等)供联系的，供联络的
Your contact details or number are information such as a telephone number where you can be contacted.

e.g. You must leave your full name and contact details when you phone.
打电话时须留下全名与联络信息。

5. 接触;遇见
If you come into contact with someone or something, you meet that person or thing in the course of your work or other activities.

e.g. Doctors I came into contact with voiced their concern...
我接触到的医生都表示了他们的担心。
e.g. The college has brought me into contact with western ideas.
上大学使我接触了西方的思想。

6. 与…联络;和…取得联系
If you make contact with someone, you find out where they are and talk or write to them.

e.g. Then, after she had become famous, he tried to make contact with her.
后来，她出名之后，他曾试图与她联系。

7. 与…失去联系;与…断了联系
If you lose contact with someone who you have been friendly with, you no longer see them, speak to them, or write to them.

e.g. Though they all live nearby, I lost contact with them really quickly...
虽然他们都住在附近，但我很快与他们失去了联系。
e.g. Mother and son lost contact when Nicholas was in his early twenties.
尼古拉斯20岁出头的时候母子就失去了联系。

8. 触碰;接触
When people or things are in contact, they are touching each other.

e.g. They compared how these organisms behaved when left in contact with different materials...
他们比较了与不同材料接触时这些生物体的反应。
e.g. The cry occurs when air is brought into contact with the baby's larynx...
婴儿的喉咙接触到空气时，就会哭出来。

9. (无线电)联络，通信
Radio contact is communication by means of radio.

e.g. He failed to make radio contact.
他未能进行无线电联络。
e.g. ...a technical problem reported by the pilot moments before he lost contact with the control tower.
飞行员与控制塔失去联络前不久报告的技术故障

10. 熟人;有用的社会关系
A contact is someone you know in an organization or profession who helps you or gives you information.

e.g. Their contact in the United States Embassy was called Phil.
他们在美国大使馆的熟人叫菲尔。

11. to make eye contact - see eye

名词保留; 预订，预约; 保留地，专用地

1. 保留意见;疑义
If you have reservations about something, you are not sure that it is entirely good or right.

e.g. I told him my main reservation about his film was the ending...
我告诉他我主要是对他电影的结尾有保留意见。
e.g. After three days, the strikers' demands were met almost without reservation.
3天以后，罢工人员的要求几乎全部得到了满足。

2. 预订;预约
If you make a reservation, you arrange for something such as a table in a restaurant or a room in a hotel to be kept for you.

e.g. He went to the desk to make a reservation...
他到服务台进行了预订。
e.g. Accommodation is restricted so a reservation is essential.
铺位有限，所以有必要进行预订。

3. 保留地;居留地
A reservation is an area of land that is kept separate for a particular group of people to live in.

e.g. Seventeen thousand Indians live in Arizona on a reservation.
1.7万印第安人生活在亚利桑那州的保留地。

4. see also: central reservation

名词有效; 有益; 可利用性; 可得到的东西（或人）

名词男子的贴身男仆; （旅馆中洗熨衣服的）侍者; 伺候客人停车、用车的人; 衣帽架

及物动词做贴身男仆; 为…管理衣物，替…洗熨衣服

不及物动词伺候，服侍; 清洗（汽车）

1. （男子的）贴身男仆,男仆从
A valet is a male servant who looks after his employer by doing things such as caring for his clothes and cooking for him.

2. (受雇）洗（车）
If someone valets a vehicle, they are paid to clean it thoroughly inside and out.