dǒu​rán

stumbling

陡然 dǒu​rán
stumbling adverb
moving unsteadily or tripping while walking

The sky was clear just a moment ago, but the weather suddenly turned cold and gloomy.

suddenly adverb
occurring in a sudden, unexpected, or abrupt manner

The temperature dropped suddenly, sending a chill through the air.

Frequency

Movie subtitles
0.030 per million appears in 0% of films
Written text
3.92 per million

Sources

Definitions
CC-CEDICT