铁杆

Traditional form:

鐵桿

Pinyin (reading):

tiěgǎn

Definitions:

• iron rod
• zealous
• die-hard

Characters:

• 铁 - iron; strong, solid, firm
• 杆 - cane, pole, stick

Traditional characters:

• 鐵 - iron; strong, solid, firm
• 桿 - cane, pole, stick