遗忘

forget; overlook; miss; neglect; lose from memory; consign to; fall into oblivion; slip one's mind; be consigned to oblivion; be left behind; forgetfulness; oblivion

过去

pass; go; lapse; elapse; go by; pass by; past; yesterday; yesteryear; back; before; once; old; period; gone; bygone; erstwhile; old-time; of yesteryear; once upon a time