"black walnut kernels are difficult to get out of the shell"
"the gist of the prosecutor's argument" "the heart and soul of the Republican Party" "the nub of the story"
The horses could not travel all day without rest or meat.
He had..meat and drink enough.
One man's meat is another man's poison.
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)