危篤的英文：
[Formal] critically ill
adj. 正式的；礼仪上的；有条理的；正规的；公开的 ；拘谨的
You should recast the report in formal wording as it is a formal occasion.
这是一个很郑重的场合，所以你的报告应改的正式一点。
A formal note is essentially a formal personal letter.
正式照会实质上是正式的个人函件。
They are very formal in their business transactions.
他们的商务议事很有条理。
adv. 批判性地；苛求地；危急地；严重地
a critical juncture; a critical moment
关头
Their criticism was not negative.
他们的批评并不是负面的。
Criticism of Germany, by comparison, is muted.
相比之下，德国的指责算是柔和的了。
n. 疾病，坏事
adj. 生病的，邪恶的，不顺利的
adv. 有害地，不幸地
Many people are immobilized by the illness.
许多患上这种病的人都瘫痪了。
It becomes ill you to do so.
你这样做是挺不合适的。
They bear you no ill will.
他们对你并无恶意。