大刀

broadsword / large knife / machete

see 大夫[dai4 fu5]

big; large; great / older (than another person) / eldest (as in 大姐[da4 jie3]) / greatly; freely; fully / (dialect) father / (dialect) uncle (father's brother)

knife / blade / single-edged sword / cutlass / CL:把[ba3] / (slang) dollar (loanword) / classifier for sets of one hundred sheets (of paper) / classifier for knife cuts or stabs

bold and decisive

Great Sword Society, an offshoot of the White Lotus in the late Qing dynasty, involved in anti-Western activity at the time of the Boxer rebellion

lit. to wield the broadsword in the presence of Lord Guan (idiom) / fig. to make a fool of oneself by showing off in front of an expert