1. throw back

扔回；反射；阻止

eg. He threw my dictionary back.

他把我的詞典扔了回來(lái)。

eg. The dog threw his head back and barked sharply.

那只狗把頭向后一揚(yáng)，發(fā)出刺耳的吠叫。

2. for the last time

最后一次

eg. We are spectators for the last time before we enter the kingdom of ruins.

在進(jìn)入建筑遺跡的王國(guó)前，我們當(dāng)了最后一次旁觀者。

eg. Almost three months later, we set off for the last time together to Switzerland.

三個(gè)月后，我們有生之年最后一次一同踏上旅途，前往瑞士。

3. keep pace with

并駕齊驅(qū)，保持同步

eg. But despite this success, implementation of the programme could not keep pace with the rapidly spreading virus.

但是，盡管獲得了成功，規(guī)劃的實(shí)施卻不能與病毒的快速傳播保持同步。

eg. The common thread is that the security models we implement for messaging need to keep pace with the ways in which we use messaging.

共同的思路是我們?yōu)橄鬟f實(shí)現(xiàn)的安全模型需要與我們使用消息傳遞的方式保持同步。