Escalating
v. （使）逐步升級( escalate的現在分詞 ); （使）逐步擴大; （使）更高; （使）更大
??? 情景例句
Yes, it's so easy.
沒錯， 它真簡便。
I've got a lot of things to do before I can leave.
在我能離開以前，我有很多事情做。
I was thinking of 40% off.
打個6折吧。