: strong will, not to give up, determind
→I hope the next president of Japan will be an iron-willed person.
: to break and steal
→Apparently, his restaurant was burglarized last night.
: to be involved
→I don't want to intervene. It's not my business.
→Polices usually don't like to intervene in disputes between husbands and wives.
: a person who drives so fast
→I don't want to get in his car because he has a lead foot
.for the first time in 〇 months/years/days
→I will see my parents for the first time in 8 months.
→Ｉ don't remember the rules of this game because I play it for the first time in 5 years.