FAQs About the word elbow grease

肘部潤滑油

use of physical or mental energy; hard work

努力,疼痛,工作,能量,努力,支出,勞動力,權力,汗,麻煩

輕鬆,設施,流暢,平滑,休眠,懶惰,不作為,不活動,怠惰,慣性

elbow bone => 肘骨, elbow => 肘部, elbe river => 易北河, elbe => 易北河, elayl => 小女孩兒,