When we arrived the party was already in full swing.

我们赶到时，聚会已进入高潮。

《牛津词典》

When we returned, the party was in full swing and the dance floor was crowded.

我们回来的时候，聚会正开得起劲，舞池里挤满了人。

《柯林斯英汉双解大词典》

Spring ploughing is in full swing.

春耕闹得正欢。

《新英汉大辞典》

Many music festivals and concerts are in full swing this summer.

VOA: special.2010.08.02

The whistleblower law was in full swing by the time Doug Durand landed at TAP Pharmaceutical in 1995.

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Festivities have been in full swing for some time, with no end in sight.

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By mid-summer, demand destruction was in full swing, with shifts to public transportation, carpooling, and telecommuting.

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