catch onlookers off guard with a break in official protocol怎么译?A smiling Hu squatted beside a surprised Kenyan musician to demonstrate his drumming skills,catching onlookers off guard with a break in
网友回答
Try this：
胡微笑着蹲坐在一位肯尼亚音乐家身旁展示鼓技.这个外交礼节上破格的举动不仅让后者惊讶,也让旁观者有猝不及防的感觉.