Noise or vibration that can be heard

ध्वनि

English Usage: The sound of the waves was calming.

Hindi Usage: लहरों की ध्वनि मन को शांति देती थी।

To produce noise or make a certain noise

बजाना

English Usage: She sounded the alarm to alert everyone.

Hindi Usage: उसने सबको चेताने के लिए अलार्म बजाया।

With a great deal of effort or force

कड़ी मेहनत से

English Usage: She worked hard to achieve her goals.

Hindi Usage: उसने अपने लक्ष्यों को पाने के लिए कड़ी मेहनत की।

Solid, firm, and resistant to pressure

कठोर

English Usage: The rock was hard and unyielding.

Hindi Usage: चट्टान कठोर और अडिग थी।