In Thailand, they still sharpen knives against stones, and it's a skill you have to learn: how not to ruin the knife as you're sharpening it.
在泰国，人们仍然用沙石磨刀。怎样在磨刀时不损坏它，是一门需要学习的技能。
When I came into the room, my 5-year-old daughter was struggling with a knife to sharpen her pencil.
我进屋的时候，我5岁的女儿正费劲地用小刀削铅笔呢。
If you have a knife or rock, take out a small chunk to leave a sharp Angle. Then, use your knife or rock to further sharpen the TAB's point.
如果你手头有小刀或石头，把拉环割掉一小块，形成锋刃，再继续打磨它的尖端。
If you have a knife or rock, take out a small chunk to leave a sharp Angle. Then, use your knife or rock to further sharpen the TAB's point.
如果你手头有小刀或石头，把拉环割掉一小块，形成锋刃，再继续打磨它的尖端。
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