Saboteurs blew up a small section of the track.有人蓄意炸毁了一小段路。Saboteurs dynamited the bridge.破坏者炸毁了桥梁.The saboteurs had demanded money in return for revealing how they hacked into the systems.那些故意破坏者索要钱财，以作为透露自己是如何非法进入该电脑系统...
你提那件事是愚钝的.It is insensitive of you to mention that.聪明敏锐的学生会经常向他们的老师详细讨教, 但愚钝的就从来不会做这个.Brainy students box , will always pick their teachers'brains, but the brainless ones never do that.对于约伯的痛苦,三个朋友愚钝的回应常备受批评.We righ...