as hard as iron
 

* 1.very hard

2.very strong

İngilizce Benzer Kelimeler* a hard act to follow

* a hard case

* a hard day

* a hard nut to crack

* a hard row to hoe

* a hard time

* acetate of iron

* acicular cast iron

* alloy cast iron

* alloy iron

* alpha iron

* an iron hand in a velvet glove

* anchor iron

* anemia, iron deficiency

* angle iron