老兵 

Pinyin: lǎo bīng  
Meaning：Veteran
Sentence: “我没有你那么多伤脑筋的事，”老兵颤抖地说。"I don't have your worries," quavered the veteran.

More: 

老： 

Pinyin: lǎo
Meaning: Old
Radical: 耂
Stokes: 5
Traditional: 老
Common words/Phrase: 
老实 [lǎo shi] 【veracity】
老家 [lǎo jiā] 【native place】
老年 [lǎo nián] 【old-age】
老乡 [lǎo xiāng] 【fellow-townsman】
老虎 [lǎo hǔ] 【tiger】

兵： 

Pinyin: bīng
Meaning: Military; soldiers
Radical: 八
Stokes: 7
Traditional: 兵
Common words/Phrase:
兵不血刃 [bīng bù xuè rèn] 【win victory without firing a shot】
兵书 [bīng shū] 【a book on the art of war】
兵不厌诈 [bīng bù yàn zhà] 【there can never be too much deception in war】