不是be short from,而是be short for(是……的简称/缩写).如: Phone is short for telephone.phone是telephone的简称. Kate is short for Catherine. Fridge is short for refrigerator. Ad is short for advertisement.
简短的我记得老师说的不是这个short from不是一个短语。short的短语有: be short for是……的简称 be short of 如果没有,除非 come short 遇到麻烦 go short of缺少 fall short of sth未达到,不符合 in short supply短缺 short and sweet简明扼要 pull sb. up short使...