打架 

Pinyin: dǎ jià
Meaning：Come to blows; fight; scuffle
Sentence:  不要和他动手打架——他比你高大强壮。Do not try and tangle with him - he isbigger and stronger than you. 

More: 

打： 

Pinyin: dǎ
Meaning: To hit; dozen
Radical: 扌
Stokes: 5
Traditional: 打
Common words/Phrase:
打印 [dǎ yìn] 【to print; to seal; to stamp】
打扰 [dǎ rǎo] 【disturb】
打击 [dǎ jī] 【to hit; to strike; to attack】
打算 [dǎ suàn] 【plan; to plan】
打包 [dǎ bāo] 【pack】

架：

Pinyin: jià
Meaning: fight; fra-me; kidnap; put up; rack; support; withstand 
Radical: 木
Stokes: 9
Traditional: 架
Common words/Phrase: 
架子 [jià zi] 【fra-me; rack; shelf】
绑架 [bǎng jià] 【kidnap; take sb. away forcibly】
架势 [jià shì] 【attitude and action】
架桥 [jià qiáo] 【bridgework】
架次 [jià cì] 【sortie】