愧疚的英文：
1.[Formal] to be ashamed and uneasy

参考例句：

I feel a wee bit guilty about it.
我对此觉得有点儿愧疚。

We're so laden with guilt.
我们深感愧疚。

Impelled by feelings of guilt, John wrote to apologize
约翰有感愧疚,於是写信道歉

Impelled by feelings of guilt,John wrote to apologize.
约翰有感愧疚,于是写信道歉.

A sting of conscience or a pang of doubt aroused by wrongdoing or the prospect of wrongdoing.
内疚由于做错或要做错事产生的愧疚或疑虑

He's hoping that if he makes me feel guilty, I'll retract.
他希望如果他使我感到愧疚，我就会收回自己的话。

But, no. She was most calm and pleasant and was making Mr.Carr feel guilty.
但情况不是这样。她非常镇静，面带笑容，反倒让卡尔先生感到愧疚。

formal是什么意思：
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。

ashamed是什么意思：
adj. 惭愧的，感到难为情的

There is nothing to be ashamed of
没有什么见不得人的事

He who is ashamed of asking is ashamed of learning
耻于问者耻于学

He is ashamed of his behavior.
他为他的行为感到惭愧。

uneasy是什么意思：
adj. 不安的；不确定的；不稳定的；难懂的

It was an uneasy alliance.
那是一个不稳定的联盟。

Fell into a fitful, uneasy sleep.
落入一阵阵的不舒服的睡眠

You are right to feel uneasy.
你感到不安是正常的。