C23

"What do you mean!" I followed behind Shen Tuo. He probably thought that I was hopeless. He turned around and looked at me. He sighed heavily: "Ai, go and check what you said!"

I replied with an 'oh' in a daze. I couldn't help but think to myself, 'Can this be considered as a small improvement?'

I followed Shen Tuo and walked forward