英语词汇“useful”的释义、区别辨析及用法例句-英语同义词词典

► useful

if something is useful, it is good because you can use it to do something:

The basket would be useful for picnics.

You can find a lot of useful information on the Internet.

► handy

useful and easy to use. Handy is more informal than useful, and you use it about things that are useful:

It is a handy little camera, and not too expensive.

► helpful

useful and helping you to do something:

She made some helpful suggestions, and I was able to really improve my essay.

It might be helpful to practice your speech in front of your parents.

► valuable

if something is valuable, it is very useful because it helps you to do something. Use valuable especially about advice, information, or help:

The information will be very valuable to the police.

She gave me valuable advice to help me prepare for the job interview.

► invaluable

extremely useful and helping you to do something, and difficult to do without. Invaluable is even stronger than valuable:

The drug could be invaluable for treating cancer patients.

► worthwhile

if something you do is worthwhile, it is useful for you and you gain something from doing it:

The training was certainly worthwhile - we learned how to use a new computer program.

► productive

useful because a lot is produced or achieved:

The meeting was very productive. Some important decisions were made and lots of ideas were discussed.

► beneficial AWL

useful because of having a good effect:

Bike riding is beneficial both to your health and to the environment.

► of use

if something is of use, it is useful in some way:

She kept the pieces of material, thinking they might be of use one day.

单词	useful
例句	usefuluseful /ˈyusfəl/ adjective ► useful if something is useful, it is good because you can use it to do something: The basket would be useful for picnics. You can find a lot of useful information on the Internet. ► handy useful and easy to use. Handy is more informal than useful, and you use it about things that are useful: It is a handy little camera, and not too expensive. ► helpful useful and helping you to do something: She made some helpful suggestions, and I was able to really improve my essay. It might be helpful to practice your speech in front of your parents. ► valuable if something is valuable, it is very useful because it helps you to do something. Use valuable especially about advice, information, or help: The information will be very valuable to the police. She gave me valuable advice to help me prepare for the job interview. ► invaluable extremely useful and helping you to do something, and difficult to do without. Invaluable is even stronger than valuable: The drug could be invaluable for treating cancer patients. ► worthwhile if something you do is worthwhile, it is useful for you and you gain something from doing it: The training was certainly worthwhile - we learned how to use a new computer program. ► productive useful because a lot is produced or achieved: The meeting was very productive. Some important decisions were made and lots of ideas were discussed. ► beneficial AWL useful because of having a good effect: Bike riding is beneficial both to your health and to the environment. ► of use if something is of use, it is useful in some way: She kept the pieces of material, thinking they might be of use one day. ANTONYMS ➔ see uselessSYNONYM CHECKUseful, handy, helpful, etc.You use useful, handy, invaluable, and of use about things that help you to do something: The device is a useful tool.You use useful, helpful, valuable, invaluable, and of use about information, ideas, advice, etc. that help you: Her advice was invaluable.You use worthwhile, productive, and beneficial about activities that are useful and help you to do something: The study group was really worthwhile - I learned a lot.
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