knows like the back of one's hand

Questions

What does knows like the back of one's hand mean?

third-person singular simple present indicative of know like the back of one's hand

How to pronounce knows like the back of one's hand

1. Open the pronunciation page — Open the Speakur entry for “knows like the back of one's hand”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “knows like the back of one's hand”.
4. Repeat and practice — Say “knows like the back of one's hand” aloud, matching stress and vowels until it feels natural.