来自PIE*krei, 区分，筛选，判断，词源同crime, crisis. 即到了选择关头的，关键的。

1. I gather his report is highly critical of the trial judge.

据我所知，他在报道中毫不留情地批评了初审法官。

2. I hated my father. He was hyper-critical and mean.

我讨厌我父亲。他吹毛求疵，刻薄无情。

3. If someone says something critical I take it to heart.

如果有人提出批评，我会十分介意。

4. The paper is openly critical of the strong-arm president.

该报纸对这位铁腕总统进行公开的批评。

5. Environmentalists say a critical factor in the city's pollution is its population.

环境保护主义者说造成该城市污染问题的一个关键因素是其人口数量。