20/12/14 22:06:34.50 a++AoQmp0.net
>>35
have had enough の短縮形のようだ。
have had it
1. Also, have had it up to here. Have endured all one can, as in I've had it with their delays, or She has had it up to here with her hour-long commute.
2. Be in a state beyond remedy, repair, or salvage, as in That old coat has had it.
3. Be dead, as in His heart just stopped; he'd had it. All three colloquial usages, which appear to be shortenings of have had enough, date from the mid-1900s.
（The American HeritageR Dictionary of Idioms）