under no circumstances造句

Under no circumstances can we agree to such a principle.
在任何情况下我们都不能同意这一原则.

Under no circumstances should we lose sight of our main objective.
在任何情况下,我们都不能忘记自己的宗旨.

We must under no circumstances take this lightly.
这事儿千万不可掉以轻心.