Hello, it's us back again.
嘿！我們又回來(lái)了。
Hello? You didn't really mean that, did you?
嘿？你不會(huì)真是那個(gè)意思吧？
He popped his head around the door and said hello.
他從門(mén)后探一探頭，打了聲招呼。
Don't be shy ─ come and say hello.
別害羞——過(guò)來(lái)問(wèn)個(gè)好。
We were passing through, so we thought we'd come and say hello.
我們路過(guò)此地，所以想來(lái)問(wèn)候一聲。