"Excuse me, please let me through, I'm a doctor!" Johnson hurried over and then spoke loudly.
Johnson actually spoke in Chinese; although his pronunciation was not standard, he was still quite fluent.
Seeing that he was a white foreigner and hearing him declare himself a doctor in Chinese, the crowd parted ways with expressions of surprise.
Johnson walked up to the elderly man, crouched down, first flipped his eyelids, then felt his carotid artery with his hand, and his complexion instantly turned very solemn.
"Mr. Johnson, how is the old man doing?" Seeing Johnson's grave expression, Karl asked.