I invented my own clumsy way of annotating the sounds of Mandarin. Lao shi advised against it. I persisted.She told me to stop writing Romanised forms next to Chinese words.

• 我发明了一套自己才看得懂的笨拙的拼音法，老师发现后，叫我以后别在方块字旁写上罗马拼音字。