careful preparations meaning in English

缜密的准备

Any summit meeting should come at the end of careful preparation .
任何最高级会谈都必须在精心的准备之后举行。
He prefers making speeches after careful preparation
他喜欢经认真准备后发言。
He prefers making speeches after careful preparation
他宁愿在精心准备后去做报告。
Beckham ' s slip - up came despite his careful preparations
尽管小贝做了不少功课，但还是犯了个口误。
As a result of careful preparation , the heart surgery was performed very successfully
由于作了认真得准备,心脏手术进行得很成功

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