Serve as:充当,作为。例如,The book serves as a useful reference.(这本书作为有用的参考书。)
Serve up:提供,上菜。例如,The waiter served up the steak.(服务员上了牛排。)
Serve with:与……一起上菜。例如,The fish is best served with lemon.(吃鱼时最好加柠檬。)
Serve on:在……上服务或任职。例如,He served on the board of directors for five years.(他在董事会任职五年。)
对于作业中的serve固定搭配,如“serve sb. sth.”(给某人提供某物),“serve sb. with sth.”(用某物为某人服务)等,也是常见的用法。
2. Observe固定搭配
Observe意为“观察”,其固定搭配有助于准确表达观察行为:
Observe sth. doing sth.:观察到某物正在做某事。例如,I observed the cat climbing the tree.(我观察到猫正在爬树。)
Observe that:注意到,发现。例如,I observed that the lights were out.(我发现灯熄灭了。)
Observe sb. doing sth.:注意到某人正在做某事。例如,The teacher observed the student cheating.(老师注意到学生在作弊。)
Preserve sth. from sth.:保护某物免受某物的影响。例如,We must preserve the environment from pollution.(我们必须保护环境免受污染。)
Preserve sth. in sth.:用某物保存某物。例如,Fruits can be preserved in jars.(水果可以保存在罐子里。)
Preserve sb./sth. as sth.:保持某人/某物的某种状态。例如,She preserved her innocence.(她保持了她的清白。)
Deserve to do sth.:应得做某事(通常指惩罚)。例如,He deserves to be punished for his behavior.(他的行为应受惩罚。)
Deserve sth.:应得某物(通常指奖励或荣誉)。例如,She deserves a raise for her hard work.(她因努力工作而应得加薪。)
5. Several固定搭配
Several意为“几个”或“一些”,常用于修饰可数名词的复数形式:
Several of:几个……中的。例如,Several of the students were absent.(几个学生缺席了。)
Several times:几次。例如,I've asked her several times to clean her room.(我已经要求她好几次打扫房间了。)