im‧prove‧ment S3 W2 / ɪmpruvmənt / 名词
1 [可数和不可数名词] the act of improving something, or the state of being improved
improvement in/on/to
There’s been a big improvement in the children’s behaviour.
an improvement on earlier models
We need to carry out some improvements to the system.
Our results have shown some improvement this month.
2 [可数名词] a change or addition that improves something :
Are you making some improvements to your home?
COLLOCATIONS
动词
be an improvement (on something) This version of the software is a clear improvement on its predecessor.
see/notice an improvement After taking the tablets, he noticed some improvement in his energy levels.
show an improvement The sales figures show a major improvement.
represent an improvement (= be an improvement ) A pre-tax profit of 4.3 million pounds represents a 5% improvement on last year.
形容词
a big improvement The situation today is a big improvement on the 1980s.
a great/vast/major improvement (= very big ) The new computer system was a vast improvement.
a dramatic improvement (= very big and quick ) With the new treatment we saw a dramatic improvement in his condition.
a significant/substantial/considerable improvement (= quite big ) There has been a considerable improvement in trading conditions.
a marked/noticeable improvement (= that people can notice ) Joanna’s work showed a marked improvement.
a slight improvement Sales figures have shown a slight improvement this month.
a gradual improvement There has been a gradual improvement in educational standards.
a general improvement There has been a general improvement in the standard of living.
a continuous/steady improvement (= happening slowly and gradually ) The following two seasons saw a steady improvement in the team’s performance.
further improvement (= more improvement ) We feel there is room for further improvement.
短语
signs of improvement The patient is showing signs of improvement.
room for improvement (= the possibility that something could be done better ) There’s room for improvement in the way the tickets are sold.