She proved to be tough, overcoming numerous challenges throughout her career.

The tough competition pushed him to improve his skills and performance.

He had a tough upbringing, which shaped his resilience and determination.

The material is tough enough to withstand harsh weather conditions and heavy use.

Despite the criticism, she remained thick-skinned and focused on her goals.

In a competitive industry, you need to be thick-skinned to handle rejection.

His thick-skinned attitude helped him navigate through challenging situations at work.

Growing up in a tough neighborhood made him naturally thick-skinned and resilient.

After the long hike, my legs felt numb from the cold.

The news left her feeling emotionally numb, unable to process her feelings.

He experienced a numb sensation in his fingers after sitting in one position too long.

The medication made him feel numb, dulling both pain and emotions.

His callous disregard for others' feelings alienated him from his peers.

The politician’s callous remarks about poverty sparked widespread condemnation.

She was shocked by his callous treatment of the elderly woman.

The company’s callous decision to lay off employees without notice caused outrage among the staff.