The Fair Trade Commission has of late been flexing its muscles, cracking down on cases of corruption.

公平交易委员会最近一展雄威，对腐败案件进行了严惩。

《柯林斯英汉双解大词典》

The rising superpower is flexing its muscles.

崛起的超级大国正在展示力量。

youdao

THE world's most important currency is flexing its muscles.

全球最重要的货币正在量肌肉。

youdao

Hezbollah has tightened its grip on southern Lebanon, and is flexing its muscles in Beirut.

NPR: Transcript: Obama's Speech at AIPAC

Perhaps in compensation for its business losses, the army seems to be flexing its muscles.

ECONOMIST: North Korea

Meanwhile, in the Shiite-dominated south of Lebanon, Hezbollah has been flexing its muscles to aid the Syrian government.

WSJ: As Syrian Crisis Intensifies, Fight Bleeds Into Lebanon