You've kicked the bucket, cashed in your chips, you're pushing up the daisies.

你一命呜呼，魂归西天，墓木已拱。

For example, I'll be pushing up daisies before a time travel machine is invented.

例如，在时光穿梭机被发明出来之前，我会先死去而被埋葬。

" To be pushing up daisies" is an idiom (informal expression) meaning to be dead.

“To be pushing up daisies”是一个成语（非正式用语），意思是死了。

" That dog won't bother you again, by now he should be pushing up daisies" .

“那只狗不会再打扰你了，现在他应该在推雏菊了”。

Or, " By this time tomorrow that murderer will be pushing up daisies, because he's being executed (killed by the government)" .

或者，“到明天这个时候， 那个凶手将会推高雏菊，因为他正在被处决（被政府杀死）” 。