cheng success cannot be won easily without making repeated efforts ❍ 常言道： “～。”你进洞两遭了，再进去一遭，管情救出师父来也。(《西游记》八十三) They say that success cannot be won easily without making repeated efforts.You’ve been to the cave twice. Go in for a third time and I’m sure you’ll be able to get our master out.