13. We need to be aware of the defects in Internet.
我們要認(rèn)識(shí)到網(wǎng)絡(luò)的缺點(diǎn)。
還能這樣說(shuō)：
We should notice the disadvantages of computer.
We need be conscious of the shortcomings of Internet.
應(yīng)用解析：
defect from sth. to sth. 背叛，叛變，投敵，變節(jié)
14. They devote most of their time to playing PC games.
他們把大多數(shù)時(shí)間花在玩電腦游戲上。
還能這樣說(shuō)：
They spend most of time playing computer games.
It takes them plenty of time to play computer games.
應(yīng)用解析：
devote oneself to sth. 貢獻(xiàn)于，獻(xiàn)身于；
devoted to sth. 熱愛(ài)于，踏實(shí)于
15. I am fed up with computer games.
我討厭電腦游戲。
還能這樣說(shuō)：
I take an aversion to online games.
I dislike computer games.
應(yīng)用解析：
up in 精通；
up-and-coming 進(jìn)步很大的，很可能成功的；
up sticks 攜全部財(cái)產(chǎn)遷居別處；
up until sth. 不多于，不遲于，直到