I wasn't sure whether to laugh or to reciprocate with a remark of my own.

我不知道是该笑一笑还是该说点什么作为回应。

《牛津词典》

Don't feel the need to reciprocate if your boss gives you something.

要是老板送了你什么东西，不要觉得一定要还礼。

youdao

Why bother, especially if you don't feel others are likely to reciprocate?

为什么感到苦恼？特别是如果你感到其他人想要回报的时候。

youdao

I think it's the political implications of this missile test that are noteworthy-and that is that Iran views the talks as dead-it doesn't view the talks positively, and now it's bracing for sanctions and quite possibly for war, and this missile test is a sign that Iran takes the military option very seriously and is ready to reciprocate if it's attacked."

VOA: standard.2009.12.18

But the United States has to free trade, and in that sense, it's likely to lean on the direction of keeping it open, the problems will arise if India does not reciprocate.

但美国非常坚决地,自由贸易，因而，其政策会倾向于,保持对外开放，如果印度不接受,这个机会营造互惠便会产生矛盾。

普林斯顿公开课 - 国际座谈会课程节选

Secretary Clinton says Palestinian President Mahmud Abass has shown "leadership and determination" to improve security, and Israel "should reciprocate."

VOA: standard.2009.11.02

If you want to reciprocate this hug, you just squeeze on your deflating jacket.

FORBES: The Jacket That Hugs You Whenever You Receive a Facebook Like

She added that Tokyo needs to reciprocate on resolving the islands dispute through negotiations.

BBC: China media: NPC spokeswoman praised

Before doing more Mr Obama wants Cuba to reciprocate by, for example, freeing political prisoners.

ECONOMIST: The United States and Latin America