She's a tough cookie, always getting back up after a fall
Don't underestimate him; he's a tough cookie and won't give up easily
The negotiations were difficult, but we managed to get through them with some tough cookie tactics
Despite the challenges, the team remained a tough cookie and finished the project strong
He went through a lot of hardship, but he's a tough cookie with a resilient spirit
The coach admired her grit and described her as a real tough cookie
This political situation requires a tough cookie to navigate
She's a tough cookie, not one to be easily intimidated
Even in the face of adversity, he proved to be a tough cookie
You'll need to be a tough cookie to survive this demanding course
That was a really hard task, but I finished it.
Wow, you are a tough cookie indeed!
I just kept going, that's all.
She's a real tough cookie, never giving up
She is resilient and doesn't quit easily
She's strong-willed and persistent