留学大胆交流怎么说英文

“留学大胆交流” 可以有多种英文表达方式，以下几种供你参考：

Communicate boldly during your study abroad.

Have the courage to communicate when studying abroad.

Be bold in communication during your overseas study.

以上表达都能传达出在留学期间要勇敢、大胆地进行交流的意思，你可以根据具体语境选择合适的表达方式。