1. A good medicine tastes bitter：11.Rome wasn't built in a day.伟业非一日建成. | 12.A good medicine tastes bitter.苦口良药. | 13.History repeats itself.历史会重演.
2. 苦口良药的反义词
2. a tough pill to swallow：The popcorn has popped. 生米已成熟饭. | a tough pill to swallow 苦口良药 | Your goose is cooked. 良机已去.
3. Bitter pills may have wholesome effects：All idle youth, a needy age.少壮不努力,老大徒伤悲. | Bitter pills may have wholesome effects.苦口良药. | Do wrong once and you will never hear the end of it.一失足成千古恨.
4. A good icine tastes bitter：Art is long,but life is short 人生有限,学涯无穷 | A good icine tastes bitter 苦口良药 | An idel youth,a needy age 少儿不努力,老大驼悲伤