这个东西是干嘛的？

What's this thing for?

Traditional: 這個東西是幹嘛的？
Pinyin: Zhège dōngxī shì gànmá de?
Bopomofo: ㄓㄜˋ ˙ㄍㄜㄉㄨㄥㄒㄧㄕˋ ㄍㄢˋ ㄇㄚˊ ˙ㄉㄜ？

Where this sentence is used

Using 嘛 (ma) in Chinese grammar: stating the obvious and describing expectations

All Chinese example sentences