shift for oneself

Idioms  

1. Also, fend for oneself. Provide for one's own needs, as in Don't worry about Anne; she's very good at shifting for herself, or The children had to fend for themselves after school. The first term, using shift in the now obsolete sense of “manage,” was first recorded about 1513; the variant, using fend for in the sense of “look after,” was first recorded in 1629.

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