1. account for 為……負責；解釋
The President and the President alone must account for his government's reforms.
總統必須為政府的改革負責而且是負全責E-(3hse@L4。

2. come up 出現
These sort of problems constantly come up, and it indicate that this new device need a newly regulation.
這些問題連續不斷地出現，表明這臺新儀器必須重新調試%a9Fl,)kX^NVF1Ysc。

3. involvement in 卷入；參與了
Tian stands trial today in her hometown for her involvement in the scandal.
今天，在她的家鄉，田文華正在因卷入奶粉弊案接受審查DW6_7~;Mx4+qw。

4. business as usual 照常
One year on, the capital markets seem to be reverting to business as usual.
一年過去了，資本市場似乎正在回歸常態@k@N=X!T!@9S955_3z。