“起作用”用英语怎么说？

“起作用”的拼音为：qǐ zuò yòng ...

用这种方法控制你的狗不起作用。This is an ineffective method of controlling your dog.既然对你起作用，这就是个明智的决定。This was a good decision inasmuch as it worked for you.该卫星自从两年前发射以来一直没起作用。The satellite had been inactive since its launch two years ...