plain as a pikestaff
十分明顯或顯而易見
口語·強調顯而易見
英文釋義
very clear or obvious
例句
The answer is plain as a pikestaff; you just need to look at the data.
典故來源
源自16世紀，pikestaff是長矛的木柄，表面光滑無裝飾，比喻事物像木柄一樣清晰可見。