1.Canadian researchers have found that most drivers think they are better than others behind the wheel.
behind the wheel掌管,控制,驾驶
His father's death left him behind the wheel of the firm.
他父亲去世了, 由他掌管这家公司 。
2.This might explain why young men tend to have more accidents on the roads than other drivers.
tend to趋向;偏重
Older mothers tend to be too idealistic about the pleasures of motherhood.
较年长的母亲往往对身为人母的乐趣过于理想化 。