diē​rù

to fall into

跌入 diē​rù
to fall into verb
to fall or stumble into; to drop down into a lower level or state

Perhaps he fell into the river and couldn’t swim.

to fall below
to drop to or below a certain value, level, or standard (often used for prices, indices, or numbers)

Frequency

Movie subtitles
0.800 per million appears in 0% of films
Written text
1.77 per million

Sources