1·As a young competition climber, I learned to pare away slop and inefficiency.
当我还是一个年轻的竞技攀手的时候我就学会了精炼有效的攀爬。
2·The introduction is the strong and straight cone the wheel gear pare away to process the inside, whetting center the bore, whetting the inside bore in the strong wheel gear.
介绍在硬齿面直齿锥齿轮刮削加工中研中心孔磨内孔的技术要求；机床调整，切削速度，刮削量及次数的选择。
3·What Twitter did was strip away all the clutter found on so many social networks and pare things down to their essence.
Twitter做的说白了就是剥离其它众多社交网络上那些杂七杂八的功能，保留其精华。