BBC在线收听下载:金正恩称要随时准备好发射核弹头

短语讲解：

1. So you got this intervention by Mitt Romney which I think is the most high level one so far, but you also have others beginning to speak as senator John McCain.

so far 迄今为止; 到目前为止
例句：It is merely a hypothesis; so far.
到目前为止，这仅仅是一种假设。

2. The remarks follow the imposition of new UN sanctions in response to a North Korean nuclear test and rocket launch in January.

in response to 对…做出反应
例句：He opened the door in response to a knock.
他应敲门声而开了门。

3. The president of the European Council Donald Tusk has said it could be time to turn back migrant boats trying to reach Greece.

turn back （使） 往回走; 翻起，折转
例句：Soon they had to turn back.
不久他们就不得不往回走了。

4. Each one of us had our own professional activities and he was in charge of the economic side of the household.

in charge of 主管，负责; 照料
例句：Comrade Yang will be in charge of that work for the time being.
杨同志将暂时负责那项工作。