Faber became very alert.

英 美
  • 费伯一下子警觉起来。
  • alert adj.警觉的;灵敏的vt.使意识到;警惕n.警戒;警报
  • became v.变成;成为;变得(动词become的过去式)
  • Faber n.法伯尔
  • very adv.很;完全;正是adj.恰好的;同一的;真正的;最...的