to move or act in a way that shows belief in one's abilities
двигаться или действовать так, чтобы показать веру в свои способности (dvigat'sya ili deystvovat' tak chtoby pokazat' veru v svoi sposobnosti)
"He always walks with confidence during his presentations."
"Он всегда ходит с уверенностью во время своих презентаций." (On vsegda khodit s uverennostyu vo vremya svoikh prezentatsiy)
to continue progressing without slowing down
to boost someone’s confidence or enthusiasm
to make others happy by being kind or cheerful
to accept or support an idea or plan
to be completely absorbed in what you’re doing
to remain hopeful and optimistic about the future