key up

To make intense, excited, or nervous.

使…热切、兴奋或紧张

in (或 out of) key

in (or out of) harmony

（不）协调

this vaguely uplifting conclusion is out of key with the body of his book.

这个令人糊里糊涂地振奋的结论与该书的主体不协调。

under lock and key

this vaguely uplifting conclusion is out of key with the body of his book.

这个令人糊里糊涂地振奋的结论与该书的主体不协调。

key someone up

(一般作 be keyed up)make someone nervous, tense, or excited, especially before an important event

（尤指在重要事件前）使紧张，使兴奋

in key

In consonance with other factors.

与其他要素相协调

out of key

Not in consonance with other factors.

与其他要素不协调