1. The storm is petering out.
    暴风雨正渐渐平息。

2. The car engine just petered out after ten years of hard driving.
    结结实实开了十年之后，那部车的引擎渐渐耗损了。

3. Seeing no future in it, his interest in the job petered out.
    因为看不出有什么前途，他对那件工作的兴趣就日渐低落。

1. peter out的意思

1. 逐渐消失：petechia 瘀斑 | peter out 逐渐消失 | peter 逐渐消失

2. 逐渐枯竭：rally 振作 | peter out 逐渐枯竭 | regional 地区性的

1. 逐渐结束；逐渐消亡
    If something peters out, it gradually comes to an end.

    e.g. The six-month strike seemed to be petering out...
           长达6个月的罢工好像正逐渐平息。
    e.g. The road petered out into a rutted track.
           这条路渐渐变成一条满是车辙印的小径。

1. use up all one''s strength and energy and stop working

    e.g. At the end of the march, I pooped out

    Synonym: poop outrun downrun outconk out

2. end weakly

    e.g. The music just petered out--there was no proper ending

    Synonym: taper offfizzle outfizzle