BBC在线收听下载:日本首相安倍晋三谴责伊斯兰国杀害人质

1.Opposition groups said it wasn't attempt by president Joseph Kabila to stay in power as he can not stand for reelction.

stand for 代表；支持；象征；担任…的候选人

The party is trying to give the impression that it alone stands for democracy.
该党正企图让人觉得只有它才代表民主。

I would like to see him stand for re-election.
我希望看到他竞选连任。

2.Mr. Nisman had accused several senior government figures with involvement of trying to cover up the bombing enquiry.

cover up 掩盖，盖住

He suspects there's a conspiracy to cover up the crime.
他怀疑有掩盖这桩罪行的阴谋。

They knew they had done something terribly wrong and lied to cover it up.
他们知道已犯下了大错，并撒谎来掩盖这一错误。