If can, please take I leave!

假如可以，请带我离开！

youdao

If I leave you for a while, please take care of yourself for me.

如果我离开你那么一段时间，请你替我照顾好你自己。

youdao

I will return your customs declaration to you. please keep them with you and take them here when you leave the States.

我们将把海关申报表还给您。请保管好并在离开美国时把它们交回。

youdao