beside oneself (with/in), 中譯：發狂，忘形。 They were beside themselves in joy. 他們忘形狂歡。 供您參考!
.... 洗心革面Mend one's way./ Turn over a new leaf. 喜不自勝Beside oneself with joy./ Happy as a lark. 喜出望外Go into rapture./ To one's pleasant...
...別人的好感，做的太過份， spread onself to entertain sb大肆鋪張招待某人！ 11. be beside with rage/joy 狂怒、狂喜