1640s, "not legally answerable for conduct or actions," from assimilated form of in- (1) "not, opposite of" + responsible. Meaning "not acting with a sense of responsibility" is from 1680s. Related: Irresponsibly.
实用例句
1. She described his remarks as irresponsible, inflammatory and outrageous.
她称他的话不负责任、具煽动性且极端无礼。来自柯林斯例句
2. Many people have an irresponsible attitude towards marriage and relationships.
很多人对婚姻与两性关系持一种不负责任的态度。来自柯林斯例句
3. Thick patchy fog and irresponsible driving were to blame.
局部浓雾和驾驶员不负责任是罪魁祸首。来自柯林斯例句
4. Green-field was behaving like an irresponsible idiot.
