the last thing (one) needs

Something which one absolutely does not want or has no use for. The last thing we need is a lengthy court battle, so let's try to end our marriage as civilly as possible. A fancy new computer I have no idea how to use is the last thing I need right now!

Common Names:

Name	Pronounced	Usage
Pedja	-	Serbian
Manami	mah-nah-mee	Japanese
Basya	-	Hebrew
Darby	['da:bi]
Tashi	-	Tibetan, Bhutanese
Herring	['heriŋ]