small potatoes
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）