a seamless heavenly robe—flawless;completely natural;[of an argument]water-tight; faultless
? 她立即懂得徐義德在改變話題的用意。她～地順口答道： …… (周而復(fù)《上海的早晨》 I—472) She immediately understood why he had changed the subject and she carried on from there quite naturally,as if the conversation had been as innocent as this all the time; …/倘不穿“無縫天衣”，他便要終日如“芒刺在身”，活不下去了。(《魯迅選集》Ⅲ—318) Then unless he wears a“seamless divine garment，” he will feel pricked all over and life will become quite unbearable.
? 他的那篇文章論證周密，真是～，無懈可擊。That article of his is closely seasoned and the arguments are really watertight and invul nerable.
天衣無縫
airtight;foolproof;seamless;perfect;flawless
文章論證嚴(yán)密，～。The article is close-knit and its argument is flawless./指望對交易有～的保證expect airtight guarantees on a deal/要求他～地確保不搞欺騙demand airtight assurances against cheating/要求對軍控條約有～的核查demand foolproof (or airtight)verification in arms deal
天衣無縫tiān yī wú fènɡ
比喻事物完美無缺，沒有一點(diǎn)痕跡。flawless, perfect, without a trace, leave nothing to be desired