What kind of a little aggrieved

Long time did not leave their feelings , and really do not know how recently , and it seems to do anything wrong , and each time said to refuel , but it did not do anything , is not the more trouble the more it grew up , there is a indescribable feeling , like this one is it, what of it by a little aggrieved look on point of it, laugh , no big deal , life is