作用

wài yīn tōng guò nèi yīn ér qǐ zuò yòng

外因通过内因而起作用。

External factors have an effect through internal factors.

zhè xiē huà qǐ dào le zuò yòng

这些话起到了作用。

These remarks had the desired effect.

zhè xiē yào duì tā lái shuō bù qǐ zuò yòng

这些药对他来说不起作用。

The medicine did not respond to him.

wài jiè de shì wù huì zuò yòng yú wǒ men de gǎn jué qì guān

外界的事物会作用于我们的感觉器官。

External things will act on our sense organs.

mó cā lì zuò yòng yú yùn dòng zhe de wù tǐ huì shǐ qí tíng zhǐ

摩擦力作用于运动着的物体会使其停止。

Friction acts on moving bodies and brings them to a stop.

jiǔ jīng zuò yòng yú dà nǎo néng shǐ rén xīng fèn

酒精作用于大脑，能使人兴奋。

Acting on the brain, alcohol can get a person excited.

zuò yòng lì

作用力

acting force

tā shuō de nà xiē huà shì yǒu zuò yòng de

她说的那些话是有作用的。

Those remarks of her have a purpose.

tā shuō nà jù huà yǒu shén me zuò yòng ne

她说那句话有什么作用呢？

What was her purpose in saying that?