1.A " leatherneck" or a " grunt" do not sound like nice names to call someone.

leatherneck(海)或grunt(咕哝) 用来称呼某人听起来不是个的好词。

2.A member of the United States Marines also has a strange name: " leatherneck." It is thought to have started in the 1800s.

美国海样有个奇怪的名字——leatherneck。这个词被认为是在18世纪出现的。