It isn't at all rare to live to be over ninety years old.
It's not at all rare to live to be over ninety years old.
It is not rare at all to live over ninety years.
It's not all that uncommon for people to live past the age of ninety.
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以上， 已上， いじょう
1. not less than ..., ... and over, ... and above, ... and upwards, ... or more
2. beyond (e.g. one's expectations), above, more than, further than
3. the above, the above-mentioned, the aforementioned, the foregoing
4. since ..., seeing that ..., no...
1. to live, to exist
2. to make a living, to subsist
3. to be in effect, to be in use, to function
4. to come to life, to be enlivened
5. to be safe (in baseball, go, etc.)
1. thing, matter
2. incident, occurrence, event, something serious, trouble, crisis
3. circumstances, situation, state of affairs
4. work, business, affair
5. after an inflectable word, creates a noun phrase indicating something the speaker does not ...