"his brag is worse than his fight" "whenever he won we were exposed to his gasconade"
"She crowed with joy"
"The cocks crowed all morning"
A public accusation might make him crow and show off what a tough guy he was.
Nor is there any reason to crow about things going wrong.
牛津高阶第八版
美国韦氏词典
Dictionary.com
Free Dictionary
维基百科 (自由的百科全书)