a crack-down on tax evasion的用法和样例：
- The government is trying to crack down on tax evasion.
- We must severely crack down on tax evasion, tax fraud, money laundering, smuggling and other illegal and criminal activities.
- To crack down on tax evasion
- The blacklist's purpose was to crack down on tax *evaders.
- The riot police started to crack down on them.
- By strengthening tax collection and management according to law and cracking down on all forms of tax evasion and tax fraud,we will ensure that all taxes due are collected without exception.