Alright then smarty pants. No need to boast!

好吧，作聪明人。不要吹嘘！

A smart aleck thinks they are very clever and they're very annoying.

smart aleck 这种作聪明人，认为们很聪明，们很烦人。

If children are cheeky they're being wise-arses as you'd say in American English — or wise-ass.

如果有些孩子很放肆无礼，们就是像你在美语中说那种作聪明人，也可用 wise-ass。

Well, you can call that person a smarty-pants. These know-it-all types can be really annoying.

你可称呼这种人为“作聪明人（smarty-pants）”。那“为无所不知人（ know-it-all）”真得很烦人。

I have been described as a smart aleck, for example.

例如，我被描述为一个作聪明人。

Some wiseacre scoffed at us as the people with only one sauce.

有些作聪明人嘲笑我们是只有一种调味料人。

So a smart aleck is someone who thinks they are highly intelligent and they try to demonstrate this to others all of the time.

作聪明人是那些认为己非常聪明人，们总是试图向别人证明这一点。

Unseen by the thoughtless, unrecorded in the diaries of wiseacres, rarely mentioned in the speeches of statesmen, there was swiftly rising such a tide in the affairs of America as Jefferson and Hamilton never dreamed of in their little philosophies.

轻率人看不到， 作聪明人日记中没有记录，政治家演讲中也很少提及，美国事务中正在迅速兴起这样潮流， 这是杰斐逊和汉密尔顿在们小哲学中做梦也想不到。