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not up to scratch

强调
一般 неудовлетворительный (HarryWharton&Co)
美国人 негодный
非正式的 отсталый (Whatever the answers, what is clear is that Sweden's underwater defences are not up to scratch, the BBC's Malcolm Brabant reports. Victorian)
not up to scratch
: 2 短语, 1 学科
一般2