All my bags are checked in. I guess I'm all set to go.
我的行李都检查完了,看来我可以走了。
I haven't the slightest idea what you're talking about.
我一点也不知道你在说些什么。
There are even stories of half-trained elephant calves who have refused to feed and pined to death when by some unavoidable circumstance they have been deprived of their own trainer.