他看到那一幕，立刻慌了。
tā kàndào nà yīmù ， lìkè huāngle 。
He panicked the moment he saw that scene.
遇到这样的情况，她感到非常慌。
yùdào zhèyàng de qíngkuàng ， tā gǎndào fēicháng huāng 。
Facing such a situation, she felt very flustered.
他在考场上慌得说不出话来。
tāzài kǎochǎng shàng huāngdé shuōbùchū huàlái 。
He was so confused in the exam room that he couldn't speak.