if in doubt, call
A2CEFR level
10/100Rarity: common
TechnicalRegister
A standing instruction encouraging junior staff to escalate uncertainty rather than manage a concern alone.
I'm on my mobile all night — if in doubt, call, don't sit on it.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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