if someone or something is in safe hands, they are being looked after by someone who can be trusted.

I know my daughter's in safe hands at the nursery.

• an Uncle Tom
• an unknown quantity
• an uphill battle
• an uphill fight
• an uphill struggle
• anybody who is anybody
• any [judge/lawyer/teacher etc.] worth salt
• any [judge/lawyer/teacher etc.] worth their salt
• any judge worth salt
• any lawyer worth salt
• Any port in a storm.
• any teacher worth salt
• anything but
• any way, shape, or form
• any way you slice it
• a one-day wonder
• a one-hit wonder
• a one-horse race
• a one-horse town
• a one-man band
• a one-night stand
• a one-two punch
• a one-way ticket to
• a one-way ticket to something
• a pack of lies