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- A careless driver is a menace to all road users. 漫不经心的驾驶员对于路上所有车辆和行人都是危险的。
- The child whipped through his homework carelessly. 这孩子漫不经心地很快就把作业做完了。
- Demand is slack over the summer months. 夏季的几个月市场滞销。
- Slack up before you reach the crossroads. 驶近十字路口时要减低速度。
- It was careless of you to lose my car keys. 你实在太粗心，把我的车钥匙弄丢了。
- Careless use of the clutch may damage the gears. 离合器使用不慎可能损坏传动装置。
- Slack off/up as youapproach the junction. 接近交叉口时要减速。
- Don't slack off in your studies. 不要荒费你的学业。
- It was careless of you to leave the door unlocked. 你没锁门，太粗心了。
- Winter is the slack season at most hotels. 冬天是大多数旅馆的淡季。
- He is careless about his appearance. 他不讲究外表。
- He shrugged off his coat carelessly and let it fall to the floor. 他漫不经心地一扭身子甩掉上衣，让它掉在地上。
- It transpired that the fire was caused by a careless smoker. 据传这场大火是由一位粗心的吸烟者造成的。
- He sat into a chair with careless ease. 他随便往椅子里舒舒服服一坐。
- Not taut, firm, or compact; slack. 松弛的不紧、不严密或不坚实的; 放松的
- It's not like her to be so careless. 她通常是不会这么粗心的。
- The careless waiter dropped the dish onto the ground. 那个粗心的侍者把盘子摔到了地上。
- After intense work in the summer, we are slack off now. 夏季紧张的工作过後，我们现在放松了。
- He failed his maths examination because of his careless work. 他由于粗心大意，数学考试没及格。
- The sailors pulled at the rope to take up the slack. 水手们拉起绳索把它收紧。
