A (嗎) 吗 ma 
(modal particle making a question) 
ein Fragepartikel B (不是嗎) 不是吗 bu4 shi4 ma
isn't it
ist es nicht so ? B (幹嗎) 干吗 gan4 ma2
what? yes?
1. warum, weshalb, wozu 2. was machst Du ?
Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.
【◎Fix:◎乾;◎幹;◎干】 干 oppose, offend / invade / dried
嗎 吗 final interrogative particle
from CC-CEDICT under a Creative Commons Attribution-Share Alike 3.0 License
嗎' + 吗* * + see 嗎啡| /
嗎' + 吗* * + (question particle for "yes-no" questions)/
B (幹嗎) 干吗 gan4 ma2 what? yes? 1. warum, weshalb, wozu 2. was machst Du ? Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.
【◎Fix:◎乾;◎幹;◎干】 干 oppose, offend / invade / dried 嗎 吗 final interrogative particle from CC-CEDICT under a Creative Commons Attribution-Share Alike 3.0 License
嗎' + 吗* * + see 嗎啡| /
嗎' + 吗* * + (question particle for "yes-no" questions)/