Subject + 闪过 + Object
The verb 闪过 (shǎnguò) means "to flash past" or "to flicker across," describing something that appears briefly and then disappears. It is often used for fleeting expressions, thoughts, or lights that pass quickly. The complement 过 adds the sense of passing or going by.
她脸上闪过一丝不安的表情。
tā liǎn shàng shǎn guò yī sī bù'ān de biǎoqíng.
A trace of unease flashed across her face.
一个奇怪的念头从他脑海中闪过。
yī gè qíguài de niàntou cóng tā nǎohǎi zhōng shǎn guò.
A strange thought flashed through his mind.
窗外闪过一道闪电,紧接着就打雷了。
chuāng wài shǎn guò yī dào shǎndiàn, jǐn jiēzhe jiù dǎléi le.
A flash of lightning flashed outside the window, followed immediately by thunder.