" Irrepressible " is a word that is usually used to denote something that is hard to control or restrain .

“势不可挡”常常用来形容那些难以控制或压抑的事情。

Or was it his irrepressible sense of humour rising above circumstances ?

还是在危险环境中他依然有抑制不信的幽默感？

The rush of punters betting on higher prices is begetting a self-fulfilling prophecy : it is the tide of new investment , rather than inadequate supply or irrepressible demand , that is pushing the price of oil ever higher .

繁忙的投机者对较高价格的投注产生自我实现的预言：这是顺应潮流的新投资在推动石油价格越来越高，而不是供应不足或者是控制不住的需求。

May those irrepressible twins love and peace remain your companions as you journey through life .

五月是双胞胎爱与和平仍然抑制不住你同伴你走过生命.

Impossible to suppress or control ; irrepressible .

难压制或控制的；忍不住的。