11.调查 12.太多的脂肪 13. 使他们保持健康 14. 重新获得，赢回 15. 进行中,在做,上演 16.长处和短处 17.谋生 18.欠债 受某人的恩惠

do some research (on/into) far too much fat keep them fit win…back be on strength and weakness earn /make one’s (a) living be in debt out of debt get/run into debt 负债 in debt to sb = in one’s debt