ㄅㄨˋㄒㄩˇㄒㄧㄥˊbùxū‑cǐxíng

不虚此行
  1. 表示行動成效相當滿意 他鄉故知真是不虛此行」。

the trip has not been made in vain, the trip has been well worthwhile, it's been a worthwhile trip
voyage intéressant, voyage utile