throw in
phrasal verbthrow something in
- to include something with what you are selling or offering, without increasing the price
（免费）附送，额外赠送 - You can have the piano for $200, and I'll throw in the stool as well.
你花 200 美元就可以买走这架钢琴，另外奉送这张琴凳。
- You can have the piano for $200, and I'll throw in the stool as well.
- to add a remark to a conversation
加插评语（或感叹句等） - Jack threw in the odd encouraging comment.
杰克难得加了一句鼓励的话。
- Jack threw in the odd encouraging comment.