diff --git a/adminer/lang/zh-tw.inc.php b/adminer/lang/zh-tw.inc.php
index 84ce6897..294d5ea2 100644
--- a/adminer/lang/zh-tw.inc.php
+++ b/adminer/lang/zh-tw.inc.php
@@ -225,4 +225,5 @@ $translations = array(
 	'%d e-mail(s) have been sent.' => '已發送 %d 封郵件。',
 	'Webserver file %s' => '網頁伺服器檔案 %s',
 	'File does not exist.' => '檔案不存在',
+	'Item has been deleted.' => '該項目已被刪除',
 );
diff --git a/adminer/sql.inc.php b/adminer/sql.inc.php
index 2e9fce3b..1f4a6a33 100644
--- a/adminer/sql.inc.php
+++ b/adminer/sql.inc.php
@@ -74,12 +74,12 @@ if (!$error && $_POST) {
 								$result = $connection->store_result();
 								if (is_object($result)) {
 									select($result, $connection2);
-									if ($connection2 && preg_match("~^$space*SELECT$space+~isU", $q)) {
+									if ($connection2 && preg_match("~^($space|\\()*SELECT\\b~isU", $q)) {
 										$id = "explain-$explain";
 										echo "<p>" . ($result->num_rows ? lang('%d row(s)', $result->num_rows) . ", " : "");
 										echo "<a href='#$id' onclick=\"return !toggle('$id');\">EXPLAIN</a>\n";
 										echo "<div id='$id' class='hidden'>\n";
-										select($connection2->query("EXPLAIN $q"), $connection2);
+										select($connection2->query("EXPLAIN $q"));
 										echo "</div>\n";
 										$explain++;
 									}