a leg up (on (someone/something))

an advantage over someone or something.

The new rules give businesses here a leg up on competition from other countries.

• turn back on someone
• turn back on something
• turn back the clock
• turn down
• turn down someone
• turn down something
• turn full circle
• turn hand to
• turn hand to something
• turn heads
• turn in
• turn in grave
• turn inside out
• turn in someone
• turn in something
• turn in your grave
• turn king's evidence
• turn loose
• turn nose up
• turn nose up at
• turn nose up at something
• turn off
• turn of phrase
• turn of the knife
• turn of the screw