Explanation: As easy to get as pick mustard. Metaphor accomplishing things very easy. Source: Phrase from the "Han Jaap wins Biography" by surgery Gou that it takes as Widespread bruising ground mustard ears. "Yuan Anonymous" Su frozen "until the first break with Mr., fear not aggressive fame as easy to pick mustard." Examples: Mr. Gu Road to learn 'people the enemy', but also ~. "★ Qing Wen Kang" The Tale of Heroes "Eighteenth back