短语讲解：

1. Prosecutors said on Tuesday that 27-year-old Mohammed Ali Malek was arrested on suspicion of killing many people.

on suspicion of 有嫌疑
例句：She' s been arrested on suspicion of spying.
她因涉嫌间谍活动而被捕。

2. He was sentenced in connection with the killings of protesters near the presidential palace in Cairo in 2012.

in connection with　与…有关，连同
例句：That is a problem in connection with the military affairs.
那是一个和军事有关的问题。

3. According to the Committee to Protect Journalists, the list is based on research of punishment of journalists and repressive laws used against them.

according to　根据
例句：According to the news report, A Lishan has snowed heavily last night.
据新闻报导，昨晚阿里山下了大雪。