Definition: to suddenly understand something Level: C2
突然一切都豁然开朗，我意识到我在哪里见过他。
Suddenly everything ___clicked and I realized where I'd met him.
现在一切都突然明白了。
Now it all ___clicked into place.
经过几个小时的困惑，解决方案终于在我脑海中豁然开朗。
After hours of confusion, the solution finally ___clicked in my mind.
