1. be committed to doing sth. 致力于
China was committed to pursuing a low-carbon economy despite the tremendous difficulties that it would face.
無論面臨多大的困難，中國都會致力于追求低碳經濟.n]_%rs5!H#+@4rUhN。

2. straw sales 代理銷售
The ATF traced large numbers of crime guns back to this store and some sales were identified as “straw sales” in a 2007 press release from the U.S. Attorney’s Office in the Eastern District of Louisiana.
煙酒槍炮及爆裂物管理局追查到，大量犯罪槍支都來自該店，其中部分交易還曾在2007年被路易斯安納東區的檢察官辦公室發布的新聞稿認定為“”

3. hooked on sth. 對……上癮；沉迷于……
People can get hooked on Internet searching, online dating, Web shopping, porn sites, on-line gambling, or even checking their email.
人們會沉迷于網絡搜索，在線約會，網上購物，色情網站，線上賭博，甚至是查收電子郵件fuw9GRPPaK。

4. shut down 關閉；封閉
Police shut down a local highway for a few hours out of concern the suspect had escaped through a back door.
警方一度擔心嫌犯已經從后門逃走，因此將當地一條公路封閉了幾個小時9qnnXd1i87uqZ!ZCF。