rare occurrence

He knew with so many people living here that it would be a rare occurrence. He decided to take full advantage of this.

Dreams like this aren't a rare occurrence - my dreams are regularly vivid, colourful and panic-inducing.

PMLE may be a rare occurrence in the individual concerned or may occur every time the skin is exposed to sunlight.

In light of the rare occurrence of such residual teeth, this may represent over treatment.

Gastrointestinal bleeding caused by an inverted Meckel's diverticulum is considered a rare occurrence.

If the number of iterations is known and fixed -- a rare occurrence -- that number appears in square brackets following the asterisk.

But, as you noted, the opportunity to win a title is a rare occurrence.

Clear cell sarcoma (malignant melanoma) originating in bone is an extremely rare occurrence, which has been reported twice previously.

Under their vigilance, the prisons are relatively safe and secure, and serious physical violence is a rare occurrence.

I do give gift art as well, but that's a very rare occurrence that's generally limited to personal friends.

Laughter was a rare occurrence in his classroom.

One day I received a call from my son in the middle of an afternoon, a rare occurrence.

In a rare occurrence, men outlive women, who make up most AIDS cases there.

The drug allergy is extremely rare occurrence, but the special physique suggested in our ears after the measurement sensitivity.

BOARDROOM bust-ups are a rare occurrence in the clubby world of Spanish business.

According to the Center, rainbows are a familiar, yet rare occurrence.

Now I have to say, 'But when you have these fluctuations, which is not a rare occurrence, you can have substorms going off once an hour. '

Fortunately, because we work so closely with our partners, this is a very rare occurrence.

The development of retinal artery occlusion in dialysis patients is an extremely rare occurrence.

This is an extremely rare occurrence, which is why a second incident is cause for major concern.

She said she considered adopting a child a rare occurrence in Japan other than within extended families.

However, this is a fairly rare occurrence, and it only wastes a little memory.

And this time we can see the shadow of Sina blog, and the other blog is a rare occurrence.

This rare occurrence is something to smile about.

a rare occurrence, sight, visitor