1、confirm

证实，证明(情况属实)

X-rays have confirmed that he has not broken any bones.

X光片证实他没有骨折。

These new statistics confirm our worst fears about the depth of the recession.

这些新的统计数据证实经济衰退已经严重到我们最为担忧的境地。

（某人）证实，肯定，确认

The spokesman confirmed that the area was now in rebel hands.

这位发言人证实该地区现已落入叛乱分子手中。

He confirmed what had long been feared.

他证实了人们长期以来的担心。

使坚定，使确信

It has confirmed me in my decision not to become a nun.

这使我更加坚定了不做修女的决心。

2、write off

(向公司或机构)去函，发信

He wrote off to the New Zealand Government for these pamphlets about life in New Zealand.

他给新西兰政府去函，索取介绍新西兰生活的宣传册。

勾销，注销(债务或已花费的款项)

The president persuaded the West to write off Polish debts.

总统说通西方免除波兰的债务。

He had long since written off the money.

他很早就将那笔钱勾销了。

认定…不重要(或无用)；忽视

He is fed up with people writing him off because of his age.

他很讨厌大家因为他的年纪而小看他。

His critics write him off as too cautious to succeed.

批评他的人不把他当回事，认为他太过谨慎，不能成事。