Here’s another pun for ya, in the context of the Shanghai 2022 Lockdown: This one is pretty beginner-friendly! 20饿饿年 (èr-líng-è-è nián) Key to this pun is that pinyin “e” sounds
The common expressions 我很忙 (wǒ hěn máng) 我在忙 (wǒ zài máng) The uses in sentences 我在忙着…… (wǒ zài mángzhe ……) The extended phrases to express “I’m busy” in Chinese 忙得不可开交