(as) plain as a pikestaff
US /əz pleɪn əz ə ˈpaɪk.stæf/
UK /əz pleɪn əz ə ˈpaɪk.stæf/
1.
chiaro come il sole, lampante
very obvious and easy to understand
:
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His guilt was as plain as a pikestaff.
La sua colpa era chiara come il sole.
•
The instructions were as plain as a pikestaff, so I don't know why he made a mistake.
Le istruzioni erano chiare come il sole, quindi non so perché abbia commesso un errore.