Weekends are spent sharpening academic weak spots in paid tutoring sessions .

周末得花钱上补习班，提高自己学习中的薄弱环节。

By the time hoffman finds him the intruder is in the kitchen sharpening knives .

等霍夫曼发现他时这位闯入者正在厨房里磨刀。

But rate cuts would also weaken the region 's exchange rates , sharpening their competitiveness and doing little to help economies outside asia .

利率下降会导致这一区域的汇率下降，提高其商品的国际竞争力，但对亚洲以外的经济增长毫无帮助。

Outside every doorway is an old man or woman stripping bamboo shoots for dinner , or knitting , or sharpening a scythe with a whetstone ; an asian version of the world according to bruegel .

家家户户门外都有一个老头或是老太婆在剥竹笋当晚餐，或在编织，或在磨刀石上打磨镰刀；这完全是一幅布鲁盖尔（bruegel）笔下世界的亚洲版。

Users can choose from a variety of special effects to layer over photos , sharpening the contrast or applying a vintage , weathered look .

用户们可以从众多的效果中找到他们想在照片上加入的效果，锐化对比度或增加复古、褪色效果。