There is a wind chime in the house that was begged from a Buddhist temple and it just suddenly broke, is this some kind of unfortunate omen?

This is an unscientific statement, and there is no scientific evidence that wind chimes breaking is related to unfortunate omens.

Wind chimes are a traditional Chinese folk craft, which are used to convey messages and pray for peace by hanging or blowing them to make a clear sound. In Buddhism, wind chimes are also regarded as a kind of magic weapon, which has the function of driving away evil spirits.

So if there is a wind chime in the house which was begged from a Buddhist temple and suddenly breaks, it does not mean that there is any unfortunate sign, but it may be caused by using it for too long, or being hit by an external force, etc. We should rationally look at this phenomenon and not blow it. We should look at this phenomenon rationally and not be overly superstitious and worried.

In short, we should believe in science and rational thinking, and not easily believe and spread claims that have no scientific basis.