small po·ta·toes
noun/ˌsmɔːl pəˈteɪtəʊz/
/ˌsmɔːl pəˈteɪtəʊz/
(North American English) (British English small beer)
[uncountable] (informal)- a person or thing that has no great importance or value, especially when compared with somebody/something else
（尤指相比较之下）无足轻重的人（或事物）