/ˈkeələs ||; ˈkɛrlɪs/adj1 careless (about/with sth) not thinking enough about what you are doing so that you make mistakes 粗心: Jo's very careless. 乔很粗心。The accident was caused by careless driving. 这次意外是鲁莽驾驶所致。
2 resulting from a lack of thought or attention to detail 疏忽引起的:
a careless mistake 疏忽造成的错误 ➔carelessly adv She threw her coat carelessly on the chair. 她把外套随便扔在椅子上。 ➔carelessness noun [U]