As a first offender of theft, Jack was treated mercifully.

作为一个盗窃初犯，杰克受到了宽大对待。

His survival in the avalanche is mercifully rare.

他在雪崩中幸免于难，真是幸运。

The old man mercifully forgave the boy for his mistake.

老人仁慈地原谅了这个犯错的小孩。

He was treated mercifully.

他受到了宽大对待。

Mercifully, everyone arrived on time.

幸而每个人都按时赶到。

Mercifully, a friend came to the rescue.

很幸运，一个朋友赶来解救了。

Deaths from the disease are mercifully rare.

这种疾病很少造成死亡，算是不幸中之幸。

And then, mercifully, they all vanished.

接着，谢天谢地，他们全体消失了。