bellicosity

1.We had gone from good humor to bellicosity back to joviality in five hours.

在五个小时中，双方一会儿谈笑风生变成剑拔弩张，一会儿又恢复谈笑风生。

2.Some analysts suggest Pyongyang's bellicosity could be linked to internal issues, amid questions over the health of leader Kim Jong-il after his apparent stroke last year.

一些分析家认的挑衅行可能与其内部有关。其中主要是关于金正日的伊朗问题，去年他曾引发了严重的心脏病。