1.call into 调用

You will have to call into a conference call at 7AM with your offshore team, or support a 5AM deployment on Saturday.
你不得不在早晨7点与你的团队进行电话会议或是在周六早晨5点开始部署工作。

As painful as side effects are, however, they do not really call into question the basic logic of the threat we face and how we should respond to it.
尽管意外后果的教训是惨痛的，但是，他们并没有真的对我们面对的威胁和我们应该怎样应对威胁的基本逻辑产生疑问。

2.start off 出发，开始

They started off to Normandie at midnight.
他们在午夜踏上了开赴诺曼底的征程。

My cat started off as soon as he smelt the little dog.
我的猫咪一闻到小狗身上的气味便马上跳开跑掉了。