wait in the wings

基本解释

Perhaps, after decades of waiting in the wings, the technology is finally about to hear its name called out from the stage.
或許，在等待助其飛翔的翅膀等了數幾十年之後，這項技術最終等來了召喚其登上舞台的呼聲。
If you know your partner has someone waiting in the wings, it’s hard to be motivated to work on your relationship, or to be enthusiastic about it.
如果你知道你的另一半有別的人在翹首以待，確實是很難讓你經營這段感情或是對它抱有熱情。
The Turkish army is waiting in the wings while the other armies fight the initial battles.
其他軍隊都派到了戰場第一線，而土耳其軍隊正在耐心的等待時機的來臨。
iask.sina.com.cn

And Phase 3, Consolidation, and Phase 4, Boom II, are waiting in the wings.
FORBES: A Season For Surprises
In the end there will be 12 jurors seated with 6 alternates waiting in the wings.
FORBES: Rajaratnam Trial Begins -- The Judge, The Jury and Early Defense Win
All the wordage about succession and fully vetted jockeys waiting in the wings misses the point.
FORBES

If someone or something is waiting in the wings, they are not yet active or important, but are ready or likely to be so soon.