包子
steamed stuffed bun; CL:個|个[ge4]
报子
bearer of good news (esp. announcing success in imperial examinations)
胞子
variant of 孢子[bao1 zi3]
包子有肉不在褶上
a book is not judged by its cover (idiom)
厌酷球孢子菌
Coccidioides immitis
吃熊心豹子胆
to eat bear heart and leopard gall (idiom); to pluck up some courage
肉包子打狗
what's gone can never come back
自暴自弃
to abandon oneself to despair; to give up and stop bothering