ayy......
I have done some research on the word liao....i think meinu means
nothing bad.... 
Main Entry: bltch
Pronunciation: 'bich
Function: noun
Etymology: Middle English bicche, from Old English bicce
1 : the female of the dog or some other carnivorous mammals
2 : a malicious, spiteful, or domineering woman
Source: Merriam-Webster Online
Dictionary
Entry Word: ||bltch
Function: verb
Text: 1
Synonyms GRIPE, ||beef, ||bellyache, bleat, crab, ||crib, fuss,
squawk, yammer, yawp (or yaup)
2
Synonyms DECEIVE, beguile, betray, bluff, delude, double-cross,
four-flush, humbug, juggle, take in
Source: Merriam-Webster Online
Thesaurus