Then I'll throw away my pack of cigarettes (this should be in past-tense as I don't smoke anymore, but I'm too lazy to go back and change the tense).

然后我就把我的烟都扔了(这里其实应该用过去时，因为我现在已经不吸烟了。但是我实在是太懒了，不愿意回去修改时态)。

youdao

Right now you need to throw away regrets of the past.

从现为着开始，那儿应该雇佣从过去的悔恨。

youdao

Throw away all the past things.

把过去的一切统统都忘却。

youdao

David Miliband, the environment secretary, told the BBC on Sunday that throw-away carrier bags would become a thing of the past within a few years.

BBC: NEWS | UK | Christmas plastic bag ban urged

Are we, in a fit of anger, going to throw away the legal and commercial advances of the past 300 years because most of us have recently lost a lot of money?

FORBES: Magazine Article

"I had campaigned on the promise that we are one Tulsa and all the divisions we had in the past, we need to throw away, " Mayor Dewey Bartlett Jr. said in an interview Sunday.

WSJ: Two Held in Tulsa Rampage