Uneffectual
a. <废> = ineffectual
🗣️ 情景例句
I don't know.
我不知道。
How long will I have to wait?
我要等候多久呢？
There's no need for that. We'll have dinner another time.
不必为那件事惭愧。我们改个时间再共进晚餐吧。