◆to tip the scales or to tip the balance使倾向一方
If the trial were evenly poised the newspapers might tip the balance against them.如果审讯中规中矩, 报纸则可能对他们不利。
to tip the scale in sb's favour使某人占优势
Today's slightly shorter race could tip the scales in his favour.今天赛程稍短, 他会占优势。