lock in

基本解释

Some of the new issuance is by firms looking to lock in long-term financing on good terms.
其中公司发行的一些新兴债券是为了锁定好的行业达到长期盈利的目的。
This extremely poisonous carbon compound happens to be very reactive, allowing it to lock in hugely complex - but stable - chains of other molecules.
这种剧毒的碳化合物碰巧是非常的活泼的，这使得它能够锁定在非常复杂但是稳定的分子链中。
Arbitrageurs could buy the high-interest currency today, lock in a future sale at the same price and pocket the extra interest from holding the currency until the forward contract is settled.
套利者可以在今天购买高利率的货币，并以相同的价格在未来锁定售出价格，然后在远期合同到期前从持有的货币中赚得额外的利息。

"As you know,I have keys which can open any lock in Paris.
God and humans lock in an eternal struggle, neither prevailing, yet both forever changed by their encounter with one another.
上帝与人类陷入一场永恒的战争，谁也不占上峰，但是他们相遇时却一直会引起改变。
耶鲁公开课 - 旧约导论课程节选
And then we'll see exactly what it is that he's doing here so we're going to try to lock in on the bass.
现在我们来听一下这首歌究竟是什么样的，然后我们来尝试专攻它的低音部分。
耶鲁公开课 - 聆听音乐课程节选

And most of them lacked a means to lock in, or hedge, these paper gains in home equity.
FORBES: Mispriced