I didn't realize that emery boards and nail clippers were so valuable.

我不知道指甲指甲刀有这么值钱。

All of complex life is in one hand, and in a single stroke with a medium-grained nail file you could eradicate human history.

全部复杂生命都在只手里，“你只要拿起把中度粒面的指甲，就可以掉人类历史”。

The giant's fingernails were neatly filed and… painted?

巨人的指甲得整整齐齐， 且… … 涂了漆？

After that, I'll need my nail clippers, nail file, and tweezers to do my nails and my plucking.

安娜：在那之后，我需要我的指甲剪、指甲来修指甲拔毛。

He sat down on a step, produced a long file from somewhere, and began to file his fingernails.

他在台阶上坐， 从某处拿出把长， 开始指甲。

Eilis saw that the lock was a simple metal bar that could easily be lifted by a nail file.

Eilis 看到这把锁是根简单的金属棒，可以很容易地用指甲抬起。

Georgina had taken a nail file from her handbag and was already busy working at the lock on the bathroom door.

Georgina从手提包里拿出把指甲，已经忙着打开浴室门的锁。

If you took a nail file and shaved off just a little bit of your nail, that would be all of human existence.

如果你拿把指甲， 只剃掉点点指甲，那就是人类存在的全部了。

Usually I'll do this after I file and buff my nails, but I just sometimes use this randomly 'cause it's so nice, this stuff.

通常我会在完指甲并擦亮指甲后这样做，但有时我会随机使用它， 因为它太棒了， 这东西。

A " nail file" (file) is a small tool, usually a flat little stick that is rubbed against the nails in order to make them smooth after you cut them, I guess.

“指甲” （刀）是种小工具，通常是根扁平的小棍， 用来在指甲上摩擦， 以便在你剪指甲后使它们光滑， 我猜。