交加

    jiāojiā

    1. Verbto occur at the same time; to be mingled; to accompany each other (of two or more things)

    雷声和闪电交加,吓得孩子们躲在房间里。Léishēng hé shǎndiàn jiāojiā, xià de háizimen duǒ zài fángjiān lǐ.Thunder and lightning mingled, scaring the children into hiding in their rooms.