be boastful

基本解釋

The wisest way is not to be boastful .
最聰明的辦法是別去瞎說。
translation-dictionary.net
And you're right, the Americans should not be boastful in this regard.
你說得對，美國不該在這方麪自吹自擂。
The trick is starting the discussion of a subject without appearing to be boastful moralizing or unnatural.
這其中的訣竅是：展開的話題不致使人感到不自然，或顯得自誇，以及有道德化傾曏。
blog.sina.com.cn

There's some hubris in this kind of talk--but Ghosn is entitled to be boastful.
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Hooker is proud of his accomplishment but has a good reason not to be too boastful.
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