The project should be re-appraised to see whether it made sound economic sense.
该项目应重新评估，看看在经济上是否合情合理。
《柯林斯英汉双解大词典》
2
It is the sound of workers cutting through all of the re-bar to pour the foundation for the apartment house being built next door but striking it with a small hammer, repeatedly, until it breaks.
That is because the troubled countries need to control their government deficits and to re-establish sound current accounts by improving their competitiveness.