Usage note
落表示掉下、落下，或到达某处。
luò biǎo shì diào xià 、 luò xià， huò dào dá mǒu chù。
Fall/drop means to fall down or arrive somewhere.
Context note
落常出现在落叶、落雨和掉落里。
luò cháng chū xiàn zài luò yè 、 luò yǔ hé diào luò lǐ。
Fall often appears in fallen leaves, rain, and dropping.
5 examples
叶子落下了。
yè zi luò xià le。
The leaves fell down.
雨落在地上。
yǔ luò zài dì shàng。
The rain falls on the ground.
东西掉落了。
dōng xī diào luò le。
The thing dropped.
太阳落山了。
tài yáng luò shān le。
The sun has set.
他落后了。
tā luò hòu le。
He fell behind.
5 mini stories
秋天到了，树叶慢慢落下。
qiū tiān dào le， shù yè màn màn luò xià。
Autumn has come, and the leaves slowly fall down.
雨落在窗户上，发出轻轻的声音。
yǔ luò zài chuāng hù shàng， fā chū qīng qīng de shēng yīn。
The rain falls on the window, making a soft sound.
纸飞机落在地上，我们又捡起来。
zhǐ fēi jī luò zài dì shàng， wǒ men yòu jiǎn qǐ lái。
The paper airplane fell on the ground, and we picked it up again.
太阳落山以后，天就慢慢黑了。
tài yáng luò shān yǐ hòu， tiān jiù màn màn hēi le。
After the sun sets, it slowly gets dark.
小心别让杯子落地。
xiǎo xīn bié ràng bēi zi luò dì。
Be careful not to let the cup fall to the floor.
Mini dialogue
树叶落了
A
看，树上的叶子都落了。
Kàn, shù shàng de yèzi dōu luò le.
Look, the leaves on the tree have all fallen.
B
是啊，秋天到了，叶子就会落下来。
Shì a, qiūtiān dào le, yèzi jiù huì luò xiàlái.
Yes, when autumn arrives, the leaves will fall.
太阳落山
A
太阳快要落山了。
Tàiyáng kuàiyào luòshān le.
The sun is about to set.
B
我们该回家了，太阳一落，天就黑了。
Wǒmen gāi huíjiā le, tàiyáng yī luò, tiān jiù hēi le.
We should go home. Once the sun sets, it gets dark.
Related words and contrasts
similar
掉
diào
to fall; to drop
掉 is often used for objects dropping accidentally.
similar
降
jiàng
to descend; to lower
降 is used for things like temperature, rain, or planes landing.
opposite
升
shēng
to rise; to go up
升 is the opposite of 落 when talking about rising and falling.