我们知道你经历了一段艰难的时光，吃了很多苦。
We know you went through a difficult time, eat a lot of pain.
苦橙提取物在很多减肥补充剂中都已经取代了麻黄。
Take bitter orange extract, a substance that has replaced ephedra as an ingredient in many weight-loss supplements.
阿基米德为了解决这个问题冥思苦想，他起初尝试了很多想法，但都失败了。
Archimedes in order to solve this problem contemplate, he initially tried a lot of ideas, but failed.
阿基米德为了解决这个问题冥思苦想，他起初尝试了很多想法，但都失败了。
Archimedes in order to solve this problem contemplate, he initially tried a lot of ideas, but failed.
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