pass [pɑːs] 通过;走过
password [ˈpɑːswɜːd] 密码
understand [ˌʌndərˈstænd] 懂;理解;领会;了解
If you want to pass the exam, you must study hard.
I saw someone pass, but I don't know who it was.
I forgot my password.
You will get the password soon.
One day you'll understand.
I don't understand what you are talking about.