up-front
UK: ˌʌpˈfrʌnt | US: ˌʌpˈfrʌnt
adj. 1. Honest and direct; not hiding one’s intentions.
adj. 2. Paid or given in advance.
adv. In a straightforward or提前 manner.
The word "upfront" combines "up," implying elevation or forward motion, and "front," referring to the foremost part. Originally literal (e.g., moving to the front), it evolved metaphorically to describe transparency ("being upfront") or financial terms ("payment upfront"). The compound reflects a physical-to-abstract shift, common in English.
She was upfront about her reasons for leaving the job.
The client demanded an upfront payment before starting the project.
He prefers upfront discussions to avoid misunderstandings.
The fees are listed upfront on the website.
Being upfront builds trust in relationships.