zài / guó wài / lǚ xíng / shí / tā / shì tú / fān qiáng / chá kàn / bèi / píng bì / de / wǎng zhàn

在国外旅行时，他试图翻墙查看被屏蔽的网站。

While traveling abroad, he tried to use a VPN to view blocked websites.