The first sentence: はぃはぃはぃわかりました.
Second sentence: ぃち, に, さん, し
The "hi" in the first sentence can be read as "hi", which means "yes".
「わかりました。 (wa-ka-ri-ma-shi-ta) can be read as "Wa-li-ma-ta", which means "I see it".
In the second sentence, "ぃち (I-Ti), に(ni, さん(san) and し(shi)" are all numbers. Basically, it can be read as "anger, opposition, mourning and sadness", which means "one, two, three and four".
(Note: Letters similar to Pinyin are Roman characters, which are different from Pinyin).