Never break 4 things in your life: Trust, Relation, Promise and Heart. Because when they break, it does not make any sound but pains a lot.

在你的人生中从不要弄破四样东西：信任，关系，诺言和心。因为当他们破了，是不会发出任何声响的，但却异常的痛苦。

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And I won't tell any of the other girls anything you tell me about it. I promise, cross my heart.

我不会把你告诉我的与其有关的任何事情告诉任何其他女孩。我保证，我发誓。

《柯林斯英汉双解大词典》

The most easily broken thing in the world is the man's wine glass, politician's promise, girls' dream, steel wire-like love, the virtuous of modern society and the holy heart.

这个世界最易碎的就是男人的酒杯，政客的承诺，少女的梦想，钢丝上的爱情，现代社会的善良和高贵的心。

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The foods promise to boost immunity, protect your heart and digestive system or help you sleep.

FORBES: Magazine Article

The field of cell therapy has shown promise in the past for juvenile diabetes, Parkinson's disease and heart disease, but none of the approaches have yet to bankroll a profitable company.

FORBES: Rebooting the Body

Brands containing sterols include Promise Activ butter substitute (Unilever), Minute Maid Heart Health Orange Juice (Coca-Cola) and Smart Balance Peanut Butter (GFA Brands).

FORBES: Magazine Article