throw in
US
UK throw [sth] in, throw in [sth] vtr phrasal sep: informal, figurative (include)
SC 加入，添入 jiā rù，tiān rù
TC 加入
TC 加入
SC 附赠，附送
If you buy this computer, I'll throw in a printer for free.
如果你购买这台电脑，我就免费附赠一台打印机。
throw-in n: (soccer, rugby: restarts play)
SC 掷界外球
The referee stopped the game soon after the throw-in.
throw in the towel v expr: figurative, informal (give up, admit defeat) (比喻，非正式用语)
SC 投降 tóu xiáng
TC 投降
TC 投降
David knew he'd lost the match, but he refused to throw in the towel.