superfluous
adj. 多余的，过剩的；奢侈的
例句
My presence at the afternoon's proceedings was superfluous.
我在下午的活动中的出席是多余的。
《柯林斯英汉双解大词典》
She gave him a look that made words superfluous.
她看了他一眼，这已表明一切，无须多言了。
《牛津词典》
Or are you superfluous?
或者你是多余的？
