PHRASE （事情）进展很顺利；（人）精力充沛，热情洋溢，冲劲十足 If something is going gangbusters, it is going strongly and doing very well. If someone comes on like gangbusters, they behave very energetically and sometimes aggressively. （事情）进展很顺利；（人）精力充沛，热情洋溢，冲劲十足 [US]
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The economy was still going gangbusters.
经济依然保持着强劲的发展势头。
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The team, who struggled early, came on like gangbusters at precisely the right time.
该队前面打得很艰难，但就在关键时刻拼出了士气。