这些问题似乎不可逾越。

These problems can seem insurmountable.

任何人不可逾越高度一分一厘。

No one can jump a centimetre higher than the height he can jump.

现实和期望的差距是不可逾越的。

The gap between expectations and reality was unbridgeable.

这些瀑布始终是鲑鱼和海鳟鱼不可逾越的障碍。

The falls have always been an insurmountable obstacle for salmon and sea trout.

后来她为他弹钢琴，声势煊赫地向他隐约地强调出两人之间那不可逾越的鸿沟。

Later, at the piano, she played for him, and at him, aggressively, with the vague intent of emphasizing the impassableness of the gulf that separated them.