天衣无缝的英文：
[Literal Meaning]
sky/robe/no/seam
a seamless heavenly robe

[解释]
事物周密完整，找不出什么毛病。

[Explanation]
to be completely natural without defects

[例子]
他以为自己的谎言编得天衣无缝，但是最后还是被拆穿了。

[Example]
He thought his lies were flawless, but were discovered at last.

[英文等价词]
to a T

Be the acme of perfection
天衣无缝

a seamless plot in the novel.
小说天衣无缝的构思

Their senses of humor meshed perfectly.
他们的幽默感配合得天衣无缝。

"Where's the torn place?"" ""It's been invisibly mended."
"哪儿破了?""天衣无缝,补好了。"""

The Lion's dazzle, and your refined nature balances out quite nicely.
他的耀眼夺目和你的温文尔雅结合得天衣无缝。

He designed the perfect crime.
他计划了那个天衣无缝的罪案。

His argument for the problem was almost flawless.
他对这个问题的论证几乎是天衣无缝的。

There was in his heart and mind the paradox of terrible stormand peace, unspeakable and perfect
在这种人身上，暴力与和平这一对矛盾体揉和在一起，不可言喻但又天衣无缝。