"You're a tough cookie" (JYL) means that someone is resilient, strong-willed, and able to handle difficult situations without giving up. It’s a compliment that acknowledges a person's toughness and determination, especially in the face of adversity.
**Examples:**
1. **Overcoming Challenges:** After losing her job unexpectedly, Sarah didn't let it bring her down. She quickly updated her resume, networked, and found a new position within a month. People called her a "tough cookie" for bouncing back so quickly.
2. **Facing Personal Struggles:** Despite dealing with a serious illness, John continued to work and support his family, showing strength and perseverance. His friends admired him and said he was a "tough cookie" for staying positive through it all.
3. **Standing Firm:** During a heated negotiation, Mark held his ground and didn't back down, even when pressured. His colleagues described him as a "tough cookie" for staying calm and firm under pressure.
Being a "tough cookie" is about mental and emotional strength in challenging situations.