11.9 Economist - Business - China's internet titan has had a bruising 2018
学习表达（4-6段）
1. the chief culprit
(1) 原文：A regulatory hold-up that was blocking it from charging for new video games was the chief culprit, it explained.
(2) 解释：= the main culprit 罪魁祸首、首要原因
(3) 造句：High labor costs are the chief/main culprit.
2. cash sth. in
(1) 原文：... but because of the monetisation freeze, Tencent cannot cash in.
(2) 解释：to exchange something such as an insurance policy for its value in money 把……兑换成现金
(3) 拓展：cash-in-'hand 用现金支付（结算）的
(4) 造句：I'd like to cash my traveler's check in.
3. tough sth. out
(1) 原文：Analysts now assume that Tencent will need to tough it out until the second half of 2019.
(2) 解释：to deal with a difficult situation by being determined, rather than leaving or changing your decision 渡过（难关），从（困境）中挺过来
(3) 造句：After breaking up she told herself to confident and tough it out.
4. slowdown in
(1) 原文：Capricious regulators may not be wholly to blame for the slowdown in online games.
(2) 解释：reduction in；减少、放缓
(3) 造句：When I burn the midnight oil, there is a sharp slowdown in learning efficiency.
5. eat into
(1) 原文：Users may simply be spending less time on Tencent's online entertainment, as other players eat into its market share.
(2) 解释：侵占
(3) 造句：Those programs running in the background eat into a lot of computer internal storage.
6. flagship
(1) 原文：For its flagship game, "Honour of Kings", ...
(2) 解释：the best and most important product 旗舰，通常用单数
(3) 造句：Pyramix, the digital audio workstation, is Merging's flagship product.