Backchannel
（传递消息的）秘密渠道, 特殊途径
🗣️ 情景例句
I mean, there seems to be something to celebrate all the year round.
我的意思是，好像一年到头都要忙着庆祝似的。
I will play it by ear.
我会见机行事的。
She was sentimentally attached to this house,
她对这幢房子在感情上难舍难分。