<?php

$array1 = array('我', '很', '好', '阿');
$array2 = array('我', '真', '的', '@很', '@好');
$array3 = array();
foreach ($array1 as $el) {
	$check = false;
	foreach ($array2 as $el2) {
		if (strpos($el2, $el)){
			$check = true;
			array_push($array3, $el2);
		}
	}
	if (!$check) {
		array_push($array3, $el);
	}
}
var_dump($array3);