为了保持信息灵通，紧跟全球发展至关重要。

To stay informed, it's crucial to ___keep ___up ___with global developments.

作为一名记者，我需要紧跟全球政治事件。

As a journalist, I need to ___keep ___up ___with political events worldwide.

技术发展如此之快，很难跟上最新趋势。

Technology advances so quickly that it's hard to ___keep ___up ___with the latest trends.