dagger的解释，在云词典中dagger是什么意思？

dagger

['dægә]
n.
短剑, 匕首
vt.
用剑(或匕首)刺

A dagger is a sign used in printing to draw the reader's attention to something.
剑号是印刷中的一种符号，用来引起读者对某一点的注意。
Apart from an interesting-looking carved dagger, the box was full of crockery, much of it broken.
除掉一把看上去很有趣的雕花匕首外，箱子里面装满了陶器，很多都碎了。
He struck a dagger into the man's heart.
他把匕首刺入那个人的心脏。
He thrust a dagger into her back.
他把匕首刺入她的背。
He thrust a dagger into her heart.
他把匕首剌入她的心脏。
It was a cloak and dagger story about some spies who tried to steal atomic secrets.
这是个描写间谍的故事。故事中的几个间谍试图窃取原子弹的秘密。
The book was written by a retired colonel who used to take part in cloak and dagger plots.
这本书的作者是一个退休上校，他过去常参与策划间谍活动。
The hoodlum stabbed at me with a dagger.
小流氓用匕首向我刺来。
The outlaw pulled out a dagger and bade defiance to the policemen.
那名歹徒拔出匕首，悍然与警察对抗。