C26 Mountain shifting technique

The old mister did not know who he was, nor did he know how old he was, but in Yang Fenglin he guessed that he was at least ninety years old.

He looked over ninety years old, but that didn't seem like it. Whether it was his physique, looks, or mental state, he looked to be around seventy years old.

Yang Fenglin dared to guess that the old teacher was over 90 years old