I must take my leave.

我必须动身了。

youdao

I must take a trip to California, and leave my poor sweetheart alone.

我必须到加州旅行，并留下我可怜的甜心一个人。

youdao

I must take a trip to California, and leave my poor sweetheart alone.

我必须到加州旅行，并留下我可怜的甜心一个人。

youdao