Idiom medium 30 / 51
“pass muster”
i · The common misuse One wrong form
ii · What it meansTwo lines, no filler
'Muster' is the military roll-call or inspection. Passing muster means meeting the standard. Mustard is a condiment with no inspection role.
iii · Memory hookKeep this one
Muster = inspection. Mustard = hotdog topping. Troops pass muster; mustard passes the table.