getting old
变老 (bian lao)
"He’s a bit long in the tooth for this kind of work."
"他有点老了,不太适合这种工作。" (ta you dian lao le bu tai shi he zhe zhong gong zuo)
Prepared to continue something for a long time.
knowledgeable from studying rather than experience
to take an idea and develop it further or act on it
to memorize something perfectly
Use your time effectively and make the most of every moment.
Continue trying and don’t quit.