- upfront (about something) not trying to hide what you think or do坦率的；诚实的；直爽的 synonym honest, frank
- He's been upfront about his intentions since the beginning.他从一开始就坦白说出了他的意图。🔊🔊
- [only before noun] paid in advance, before other payments are made预付的；预交的
- There will be an upfront fee of 4%.将收取 4% 的预付费。🔊🔊
see also up front