Like , is sometimes sweet, perhaps bitter; Sometimes, it is happy, perhaps painful; Sometimes, happiness is momentary.

爱，有时甜蜜，却或许苦涩；有时快乐，却或许痛苦；有时幸福，却或许短暂。

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Many toxic compounds are bitter, so the researchers expected the lung muscle to tense up and contract—to compel the breather to move away from whatever was bitter and perhaps toxic.

鉴于许多有毒物质都是苦味的，所以研究者们以为肺部的肌肉在遇到苦味时会收紧和收缩，从而使得呼吸者远离那些有可能有毒的苦味物质。

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This initiative also extends to the mobile web, the unloved stepchild of the Internet that has suffered the bitter rebuke, "Perhaps next year will be the year for mobile," for many years running.

这个项目还涉及到移动网络，移动网这个互联网的养子一直饱受争议，几年来，人们一直在说“明年将是移动网之年”。

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Such a meal also should balance tastes savory, a little sour or bitter maybe, perhaps some sweet and salt and textures, from chewy to succulent to crisp.

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Perhaps it is the intense hatred for bitter divisional rivals.

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Perhaps this is why their personal rivalry is so deep and so bitter.

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