调研
diào yán
to investigate and research, research, investigation
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掉进河里
diào jìn hé lǐ
Fall into the river
掉进池塘
diào jìn chí táng
Fall into the pond
犯法很严重。
fàn fǎ hěn yán zhòng。
The offense is serious.
你钓了多久鱼
nǐ diào le duō jiǔ yú
How long have you been fishing?
他的伤势严重。
tā de shāng shì yán zhòng。
His injuries are serious.
她沿着路跑步。
tā yán zhe lù pǎo bù。
She runs along the road.
这是什么语言
zhè shì shén me yǔ yán
What language is this?
渔夫在海边钓鱼。
yú fū zài hǎi biān diào yú。
Fisherman fishing on the seashore.
我正在练习声调
wǒ zhèng zài liàn xí shēng diào
I am practicing my intonation.
请把旧报纸扔掉
qǐng bǎ jiù bào zhǐ rēng diào
Please throw away the old newspapers