Yabancı dillerle yabancı olursan, yabancının sessizliğini asla anlayamazsın.
- Being unfamiliar with foreign languages, you'll never be able to understand the foreigner's silence.
Ben bu terime yabancıyım.
- I'm unfamiliar with that term.
... There's one number you may be less familiar with, ...
... Some of the species of grass that we are most familiar with ...