n.

1. 钢，钢铁[U]
   Tools of this kind are made from steel.

   这类工具是钢制的。

2. （钢铁般的）坚强，坚固，冷酷[U]
   He has a heart of steel.

   他是个铁石心肠的人。

3. 钢铁制品；刀，剑[U]
4. 钢铁工业[U]
5. 钢铁公司股票[P]

a.

1. 钢的，钢制的
2. 钢铁业的
3. 钢铁般的，坚强的
   They will carry out their plan with steel determination.

   他们将以坚定的决心实现计划。

vt.

1. 钢化；给……包上钢，用钢作……的刀口
2. 使像钢；使坚强，使下决心[（+for）][O2]
   I have steeled myself to manage without it.

   我已下了最大决心，没有它也照样做。

3. 使冷酷[（+against）][O2]
4. 【俚】用刀戳（某人）

n.

1. a hard, strong grey or bluish-grey alloy of iron with carbon and usually other elements, used extensively as a structural and fabricating material.
2. a rod of roughened steel on which knives are sharpened.
3. strength and determination:
   nerves of steel.

v.