weak简单

Although ethics classes are common around the world, scientists are unsure if their lessons can actually change behavior; evidence either way is weak, relying on contrived laboratory tests or sometimes unreliable self-reports.

尽管伦理课在世界各地都很常见，但科学家们并不确定这些课程能否真正改变人的行为；无论支持还是反对，证据都很薄弱，要么依赖人为设计的实验室测试，要么依赖有时并不可靠的自我报告。

Markets have lost faith that the euro zone's economies, weaker or stronger, will one day converge thanks to the discipline of sharing a single currency, which denies uncompetitive members the quick fix of devaluation.

市场已不再相信，欧元区的各经济体无论强弱，终有一天会因共用单一货币的约束而趋于一致；这种约束使缺乏竞争力的成员国无法采用货币贬值这一权宜之计。

“Most journals are weak in statistical review, and this damages the quality of what they publish.

“大多数期刊的统计审查都很薄弱，这损害了它们所发表内容的质量。

He analyzes the weak lecture, learning lessons for the future about what works and what doesn’t.

他会分析那堂效果不佳的课，为将来吸取经验教训，弄清楚什么方法有效、什么方法无效。