six·fold /ˈsɪksfəʊld $ -foʊld/ adverbadv formal INCREASE IN NUMBER OR AMOUNTby six times as much or as many 六倍 Burglaries have increased sixfold. 入室盗窃案已增至六倍。
—sixfold adjectiveadj a sixfold increase in teenage pregnancies 少女怀孕人数的六倍增长
increased sixfold• Mrs Whitehouse reports that the use of the F-word on television has increased sixfold in 1991.