What's so funny about this?

casually, until they reached a park.Lin Jinran couldn't help but feel curious and turned her head to look at Hou Shao, smiling as she asked, "How was it for you abroad this time""Not bad, so you're b... was on something else, tilting her head curiously and asking, "Why"Fu Mo Han stared at her with a slight headache, somewhat regretting what he had just said. He didn't expect Lin Jinran to be curious...