(as) plain as a pikestaff
US /əz pleɪn əz ə ˈpaɪk.stæf/
UK /əz pleɪn əz ə ˈpaɪk.stæf/
1.
tão óbvio quanto um poste, muito claro
very obvious and easy to understand
:
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His guilt was as plain as a pikestaff.
A culpa dele era tão óbvia quanto um poste.
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The instructions were as plain as a pikestaff, so I don't know why he made a mistake.
As instruções eram tão óbvias quanto um poste, então não sei por que ele cometeu um erro.