(as) plain as a pikestaff

US /əz pleɪn əz ə ˈpaɪk.stæf/
UK /əz pleɪn əz ə ˈpaɪk.stæf/
"(as) plain as a pikestaff" picture
1.

sonnenklar, glasklar

very obvious and easy to understand

:
His guilt was as plain as a pikestaff.
Seine Schuld war sonnenklar.
The instructions were as plain as a pikestaff, so I don't know why he made a mistake.
Die Anweisungen waren sonnenklar, daher weiß ich nicht, warum er einen Fehler gemacht hat.