to become more lively, cheerful, or interested
"She perked up when she heard the good news."
to hit something, especially another vehicle, violently
to simplify a process to make it more efficient
to gradually develop the skills needed to lead others
to stay in a place without a clear purpose; to wait aimlessl...
to blame or criticize oneself harshly for something that hap...
to move beyond one’s comfort zone or familiar environment