וּבְנָיָ֨הוּ בֶן־יְהוֹיָדָ֧ע בֶּן־אִֽישׁ־חי [חַ֛יִל] רַב־פְּעָלִ֖ים מִֽקַּבְצְאֵ֑ל ה֣וּא הִכָּ֗ה אֵ֣ת שְׁנֵ֤י אֲרִאֵל֙ מוֹאָ֔ב וְ֠הוּא יָרַ֞ד וְהִכָּ֧ה אֶֽת־האריה [הָאֲרִ֛י] בְּת֥וֹךְ הַבֹּ֖אר בְּי֥וֹם הַשָּֽׁלֶג׃
Benaya bin Yoyada, anak seorang gagah perkasa dari Kabzeel, telah melakukan banyak perbuatan besar. Dialah yang menewaskan kedua orang perkasa Moab. Ia juga turun ke dalam lubang dan membunuh seekor singa di sana pada hari bersalju.
Rashi
The two Moabite giants. [Yonoson translates:] "The two Moabite giants." And our Rabbis said, There was no one like him not during the first [Beis] Mikdosh nor during the second [Beis] Mikdosh.21Berochos 18b. Rashi there explains that אֲרִיאֵל is a name used for the Beis Hamikdash.
Rashi
Moabite giants. Because Shlomo who built it came from Rus the Moabite.22Rashi is explaining the connection that אֲרִיאֵל, a reference to the Beis Hamikdash, has to Moav.