“低能的”用英语怎么说？

这最多也不过是一批低能的小人物自己干的无聊把戏而已.At worst some egregious minion had conducted a childish private enterprise.我 倒 想狠狠地摇撼你, 就因为你的可鄙的奸诈, 和你那低能的奇想.I've very good mind to shake you severely, for your contemptible treachery, and ...