Patterns of childhood eating can be hard to break when we're adults, which may mean that kids of depressed moms end up dying younger.
童年的饮食模式在我们成年后很难打破，这也许意味那些有着抑郁的母亲的孩子们最后会早逝。
The Romans observed that, when volcanic ash mixes with water and then cools, it gets extremely hard and almost impossible to break up.
罗马人观察到，当火山灰与水混合然后冷却，火山灰变得非常坚硬，几乎不可能分解。
Starved of sweet fuel, the bugs cannot work hard enough to break up great wads of vegetation as they progress through the animal.
由于甜燃料匮乏，这些寄生虫工作再努力也不足以分解通过动物肠道的大团植物。
It's hard to accept when the other person just stops returning phone messages, but it's even worse when they keep calling after the break-up.
当另一半刚停止回你短信时，确实很令人难受，不过更惨的是，分手后他们却一直电话纠缠着你不放。
Even though it's not too hard to figure out how to break up these response strings, a client will have to parse and split the string up based on the semicolons, equal signs, pipes, and ampersands.
尽管不难找到拆分这些响应字符串的方法，但客户机将不得不根据分号、等号、竖线和与符号解析并拆分这些字符串。
If the ICC tries too hard to define a word which means so many different things to different people, the consensus it has built up over the unacceptability of certain atrocious deeds could break down.
如果国际刑事法庭花太多精力去定义一个对不同人有不同含义的词汇，那么它所建立的关于不接受某些暴行的共识就会瓦解。
But when they break up, it is hard for people to accept, they exaggerate their feelings, saying that they will never believe in love.
但是当他们分手，对于人们来说很难接受，他们扩大了自己的情感，说再也不相信爱情了。
When asked a life lesson he had to learn the hard way, the generous philanthropist said staying up too late is a habit he is still trying to break.
当被问到他人生中最惨痛的教训时，这位慷慨大方的慈善家表示，他仍在尝试改掉熬夜的坏习惯。
A: Wow! That's great. I sincerely want to achieve my weight loss goals, but it's difficult for me to keep up the exercise. Also you know, old habits are hard to break.
哇！那太好了。我真想实现我的减肥计划，但是我很难坚持运动。而且你知道的，老习惯很难改。
Face to face hurts but writing a break up letter is hard to get started also it is hard to end.
面对面会彼此伤害，但写一封分手信很难开始也很难结束。
The challenge themselves, to break through the limit, hard work, the courage to open up.
挑战自我，突破极限，奋发拼搏，勇于开拓。
Sure, you have your reasons to break up with them, but how come it is still so hard?
当然，能够走到这一步绝对也是万不得已的，但是为什么让人如此恐惧编队分手的那一刻呢？
It 's a hard task to break up long habit in a short time.
长期养成的习惯，短期难以纠正。
Once an order of play is established a neutral person is asked to break the balls as hard as they can to open them up around the table.
一旦确定了游戏顺序，就请一个不雅观察犹豫者来开球，开球时他/她要竭利巴球击散到台面各处。
Once an order of play is established a neutral person is asked to break the balls as hard as they can to open them up around the table.
一旦确定了游戏顺序，就请一个不雅观察犹豫者来开球，开球时他/她要竭利巴球击散到台面各处。
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