这把刀过去常被用来切肉。(used to)
This knife used to cut meet
孔子是如此伟大的一个教育家,以至于他赢得全世界人们的尊重。(so ……that)
Confucius was so great an educator that he earned respect from all over the world
尽管这个工作很具有挑战性,但作为一个很有经验的工程师,他还是完成了任务。(though experience)
Though this is a challenging job, as an experienced engineer, he completes this task
不好的行为理应受到惩罚。(suppose)
Bad deed is supposed to be punished.
他坚持一个人去冒险。(insist)
He insists on adventuring alone