1. crackdown on 鎮壓；打擊
The Arab League has been trying to convince the Syrian government to ease its violent crackdown on an uprising by demonstrators.
阿盟一直試圖說服敘利亞政府放松對反政府抗議者發動的起義的鎮壓b3@!_6!3~GH-mE~J。

2. briefed on sth. 知情的
In coming weeks, both Amazon and Sony Corp. plan to unveil new versions of their devices, said people briefed on the matter.
據知情人士透露，未來幾周，亞馬遜和索尼公司都計劃發布各自產品的新型號7P%9egW6=plJ~#Frozk。

3. akin to 類似
Once the cable is in place, the elevators would climb with technology akin to that of a ski lift.
一旦纜繩懸掛在空中，太空電梯爬升的技術與滑雪纜車的類似SJ,7mTz9r8JiH)eL6.=。

4. pick up on 察覺到
The children pick up on the mother' worries and depression although she's hiding her feeling about her divorce.
雖然母親掩飾著自己離婚的情緒，但是她的憂愁和壓抑還是被孩子們察覺到了uvo+NlO)PVB.e=6。