His role will most likely be to cover up the murder, as it has been so often in the past.

他的角色更像是掩盖谋杀罪行，过去也时常发生这样的。

And that language keeps shifting, like it shifts a lot of the time.

这表述不断变化，就像时常发生的那样。

But if you go back in time, these are the sorts of memories and moments that would happen all the time.

但如果你回顾过去，这些是那些时常发生的记忆和瞬间。

The Canadians saw a new, wider union, a potential new national institution or central government, as a possible solution for breaking out of this constant political disorder.

加拿大人认识到个更为广泛的新型的联，可能的新型国家制度或央政府，可以作为避免这时常发生的政治混乱的个可行的解决办法。

I think because people, of course, this doesn't happen all the time for a lot of people, but it's not surprising that your parents would pay for your tuition.

我认为， 因为对很多人来说， 这并非时常发生的，但父母支付你的学费并不令人意外。

In the Song Dynasty it often occurred that when somebody owed a grudge to a person the latter was accused, and banished, and then the escort was bribed so as to put him to death when passing through this forest.

宋代时常发生这样的情况：某人有仇，被人告发，流放，然后贿赂镖师，路过此林时将其处死。