但是米哈尔科夫先生的忠诚罕有其匹。

But Mr Mikhalkov's loyalty was exceptional.

浛羭在这世上珍贵的东西总是罕有，所以这世上只有一个你。

Precious things are very few in this world. That is the reason there is just one you.

一次地震后接着发生更强的余震，这虽不是前所未闻，但确实罕有。

It is rare, though not unheard of, to have a quake followed by a larger aftershock.

他们表示，绞死无辜者的风险太大，同时罕有案例执行也意味着死刑没有威慑力。

The risk of hanging an innocent person is too great, they say. At the same time, the rarity of execution means it is no deterrent.

对于两个适配器同时发生故障的罕有情况，我们将需要两个额外的备用适配器，来处理所有潜在的单点故障。

For the very rare case when both adapters fail we would need to have two additional standby adapters to cover all potential single point of failure cases.