Jon's exuberance was irrepressible.
乔恩朝气蓬勃，精力旺盛。
Their talk is often hard to fathom but their exuberance still comes through.
他们的'谈话往往很难懂，但他们的兴奋之情还是显露了出来。
With a little encouragement from his parents he should do well.
No amount of encouragement would make him jump into the pool.
再怎样鼓励，他也不肯往游泳池里跳。