1690s, "grow brisk, grow stronger" (intransitive), from fresh (adj.1) + -en (1). The earlier verb was simply fresh (mid-14c.). Transitive sense "refresh, revive, renew" is from 1749. Of a drink, "to top off," from 1961. Related: Freshened; freshening.
权威例句
1. A thorough brushing helps to freshen up your mouth.
彻底刷牙有助于口气清新。
2. My room needed a lick of paint to freshen it up.
我的房间只要刷一点油漆就能焕然一新。
3. A coat of paint will freshen this room up.
刷一层油漆会使房间焕然一新.
4. I will freshen your drink with more soda and ice cubes.