Meanings
How to pronounce "strike a blow":
AU
To hit; to successfully land a hit.
Example: "His opponent danced and dodged so nimbly that he couldn’t strike a blow."
To do something to support or defend (for) or to hinder or harm (at / against) something.
Example: "The Supreme Court ruling struck a blow for gender equality."
Example: "It is hoped that the new vaccine will strike a blow against the spread of tuberculosis."
Example Sentences
1
The government's new policy will strike a blow to the middle class.
2
The worker's union is planning to strike a blow against unfair labor practices.