You will be far better off with plain, rustable, carbon steel knives that can be sharpened quickly on a butcher's steel.

普通的碳钢刀虽然爱生锈，但用磨刀棍一下子就能磨快，所以反而好用的多。

youdao

Teach about kitchen safety (but make it fun!) - hand washing, handling knives, turning off the stove and oven, preventing injuries, and also how to use gadgets safely in the kitchen.

教他们厨房安全问题(但要使过程有意思)—要洗手，掌握拿刀的技巧，不要忘记关闭炉灶和烤箱，小心别受伤，并且也要教给他们怎样安全使用厨房的小电器。

youdao

Knives stand on edge; the plates veer slightly off center.

刀竖立着，盘子稍微偏离中心。

youdao

Ancient cultures broke off pieces of obsidian to make knives and weapons such as arrows.

VOA: special.2009.09.16

Martha Stewart and Emeril Lagasse are being sued for hawking knock-off knives on the Home Shopping Network.

FORBES: Martha Stewart, Emeril Lagasse Hit With Multi-Million Dollar Lawsuit

By Monday afternoon, more than 20, 000 people had signed a petition to WhiteHouse.gov calling on the TSA to keep knives off of planes.

CNN: TSA stands by knife decision

Since the Sept. 11, 2001, terrorist attacks there have been no incidents in which terrorists have successfully used sharp objects to take over a plane, which suggests the current policy of keeping even small knives off planes is working, committee members said.

NPR: TSA Stands By Plan To Allow Small Knives On Planes