HSK C2/W3/V3
Correct

铁

/ tiě / 
Strokes

Definition

iron (metal)/arms/weapons/hard/strong/violent/unshakeable/determined/close/tight (slang)

Example

As a Noun

iron; ferrum (Fe)

1
Tiěhuì
铁会
shēngxiù
生锈
  
。

Iron rusts.

As a Noun

arms; weapon

2
Dòngtiě
动铁
wéi
为
xiōng
凶

resort to arms

As an Adjective

ironclad; unalterable

3
Tiě
铁
de
的
shìshí
事实

hard fact; irrefutable/ironclad evidence

4
Tiě
铁
de
的
jìlǜ
纪律

iron discipline

As an Adjective

hard/strong/rigid/unyielding as iron

5
Tā
他
yǒuzhe
有着
tiě
铁
yībān
一般
de
的
yìzhì
意志
  
。

He is a man of iron will.

As an Adjective

cruel; merciless; ruthless