Open the package carefully. Don't use your teeth or fingernails.

轻启包装，请勿使用牙齿或指甲开启。

youdao

If I ask you to unscrew the screw of the furniture, if you try it with your hands, all your nails will go. I'd allow you to use your teeth, they will also go.

如果我让你拧掉这个家具的螺丝，你用手指去拧，那指甲就都毁了，要是用你的牙齿，它们也保不住。

youdao

Still, it's a good idea to mention your child's paci use to the dentist so that she can check his teeth and jaw to make certain that everything is fine.

还是老话，最好提醒宝宝的牙医他有使用奶嘴的习惯，这样牙医就能每次都给宝宝检查好牙齿和下巴，以确保一切正常。

youdao

The huge, dried kernels will crack your teeth, so for use in cooking, dried corn is usually ground first.

NPR: Kernels of Truth About Cornmeal