fend for yourself
phrasal verb with fend verb uk/fend/ us/fend/
C2 照顾自己；自谋生计
to take care of and provide for yourself without depending on anyone else
Now that the children are old enough to fend for themselves, we can go away on holiday by ourselves. 既然孩子们已长大能照顾自己了，我们就可以单独出去度假了。