to contact someone by writing or message
通过写信或发消息联系某人 (tongguo xiexin huo fa xiaoxi lianxi mouren)
"Please drop me a line when you arrive."
"请在你到达时给我写信。" (qing zai ni daoda shi gei wo xiexin)
a short and intensive course of study
to introduce an idea subtly to influence someone later
refers to artificial intelligence systems capable of learnin...
to catch someone off guard; to surprise unexpectedly
deceitful; pretending to be friendly while being dishonest
to improvise or decide as you go rather than following a fix...
