jam tomorrow
US /dʒæm təˈmɑː.roʊ/
UK /dʒæm təˈmɑː.roʊ/

1.
空頭支票, 畫餅充飢
a promise of good things in the future that never materialize
:
•
They keep promising us bonuses, but it's always jam tomorrow.
他們一直承諾給我們獎金,但總是空頭支票。
•
Don't fall for their talk of jam tomorrow; demand action now.
不要相信他們空頭支票的說法;現在就要求行動。