Use 'stand tall' to express confidence even in difficult situations. It implies strength. Despite the setbacks, she decided to stand tall and move forward.
Pro Tip 2/3
Figurative Speaking
'Stand tall' is often used figuratively, meaning no actual standing is involved. Though criticized, he stood tall, knowing he did the right thing.
Pro Tip 3/3
Emotional Connotation
It carries a positive emotion that is usually admired and encourages self-esteem. She stands tall after acing her exams.