how may make this part of the translation

.t('example')

[code]
$to="{$client['email']}";
$subject="Email Change Request for {$client['username']}";
$header="from: Account Support no_reply@$ser";

$messages= "Hello {$client['username']}, \r\n";
$messages.="We got Request to change E-mail You can see the change info below. \r\n";
$messages.=" \r\n";
$messages.="Change form: {$client['email']} \r\n";
$messages.="Change To: $ema \r\n";
$messages.=" \r\n";
$messages.=" \r\n";
$messages.=" \r\n";
$messages.="Request sent from IP-$uip \r\n";
$messages.="Report from IP to [url]http://$ser[/url] Support if you did not do this Request. \r\n";
$sentmail = mail($to,$subject,$messages,$header);
[/code]