"a political plum"
"fell plumb in the middle of the puddle"
"clean forgot the appointment" "I'm plumb (or plum) tuckered out"
A reviewer who picks all the 'plums' out of a book.
牛津高阶第八版
美国韦氏词典
Dictionary.com
Free Dictionary
维基百科 (自由的百科全书)