We will muddle through and just play it day by day.我们会应付过关的，就一天一天地演吧。I live for the moment, day by day, not for the past.我活在当下，过一天算一天，而不是活在过去。Day by day I am getting better and better.我在一天天地好转。...
...the mangled wreckage.面目全非的残骸the mangled remains of the bomber’s van炸弹袭击者车子的残骸When the fibers broke, fiber ends were mangled and frayed.纤维断裂时, 纤维端部相互纠缠并有擦散现象." I visualized mangled and inadequate branches for my fires....
We are on the threshold of a new era in astronomy.我们很快就将迎来天文学的新纪元。Here she is on the threshold of womanhood.现在她将迈入成年期。The sound was so loud it was on the threshold of pain.声音大得开始使人无法忍受....