CNN news 2011-02-21 加文本

1）That could be a sign that anti-government protests are picking up in the country. 这标志着反政府游行活动已经在全国省级。

pick up一般用来形容风力加强，这里表示时态升级。

2）He says the honey moon was short-lived after the Shaw’s regime was over and repressive Islamic republic took charge. 他说Shaw政府倒台后的蜜月期很短暂，伊斯兰共和党这一暴力政党随之掌控了国家政权。

short-lived是形容词，意为“短命的, 短暂的, 短期的”。
take charge (of sth)是常用短语，意为“控制或掌管某事物；承担某事物的责任”，例如：
The department was badly organized until she took charge (of it).
这个部门在她负责以前组织工作做得很差.

3）So they don’t have the same outcome and they should be on the watch. 这里的情况不应该产生同样的结果，我们应该密切关注事态进展。

on the watch是习语，意为“密切注意着, 提防着”，例如：
Editor is constantly on the watch to discover new talent in old name.  
老编们是不断地留意于从旧人之中发现新才能的。
The police warned people to be on the watch for intruders.  
警方预先通知大家防备有外人闯入。