swagger|swaggered|swaggering

那个年轻的CEO走路时总是带着一副自信满满的架势。

The young CEO always walks with a noticeable ___swagger in his step.

那个篮球运动员带着一副不可一世的神情在球场上走来走去。

The basketball player ___swaggered around the court with an air of arrogance.

他不停地在办公室里炫耀自己升职的消息。

He kept ___swaggering about his promotion to everyone in the office.