Backchannel
（传递消息的）秘密渠道, 特殊途径
🗣️ 情景例句
And don't be so independent.
不要再坚持独立个性了。
My biggest problem so far has been trying to remember everybody's name.
迄今为止我最大的问题就是尽量记住每个人的名字
So their entry into this flat was apparently not the burglars' first job that day and they must have been disturbed.
很明显，闯进这套公寓的窃贼那天并不是首次作案，而且他一定受了惊吓。