Living conditions in the city are sometimes unbearable.

城市的生活条件有时很难忍受。

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When emotions don't get expressed in a healthy way, tension can build up - sometimes to a point where it seems almost unbearable.

当情绪没有以一个健康的方式表达出来时，张力不断积累——有时会达到一个难以忍受的顶点。

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Sometimes I can see very indifferent, sometimes I go to the persistent some unbearable.

有时候我可以看得很淡然，有时候我去执着的有些不堪。

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Because existing treatments have such a low cure rate and sometimes unbearable side effects, biotech and pharmaceutical companies have been racing to develop a new generation of better drugs.

FORBES: Magazine Article

Sometimes bipolar can feel a little like living on a beach, permanently, with waves of unbearable emotion and panic washing over me.

BBC: Bipolar holiday