Backstepping
n. 逐步退焊法\\nv. 往后退（backstep的ing形式）
??? 情景例句
Do you ever lie to your boyfriend?
你騙過你男朋友嗎？
Don't believe him.
不要相信他。
Maybe my parents will take Dick and me to a few cities in the south.
可能我父母要帶迪克和我到南方的幾個城市去。