许多小刀用英文怎么说

"many knives" 的英语表达是 "a lot of knives" 或 "multiple knives"。

其来源为多个单词组合，"many" 意为 "许多"，"knife" 意为 "小刀"。

例句：

"I have a lot of knives in my kitchen." (我的厨房里有许多小刀。)
"Multiple knives were found at the crime scene." (犯罪现场发现了多把小刀。)