Explanation
Means 'no need to go that far' or 'not necessary'.
Formation
Verb-dictionary form + には及ばない
Detailed explanation
The ~には及ばない grammar point is used to show that an action or degree of effort is unnecessary or excessive. It often translates to 'there’s no need to...' or 'it doesn’t warrant...' in English.
Examples
Faasuto kurasu ni noru ni wa oyobanai, ekonomii demo juubun da.
There’s no need to go as far as flying first class; economy is enough.
Maikai au tabi ni gifuto o motte iku ni wa oyobanai.
There’s no need to bring a gift every time you meet her.
Sono mondai wa sensei ni kiku ni wa oyobanai, jibun de kaiketsu dekiru.
That issue doesn’t warrant asking the teacher; you can solve it yourself.
Chiisana shippai no tame ni, anna ni shinratsu na kotoba o tsukau ni wa oyobanai darou.
For such a small mistake, there’s no need to use such harsh words.
Practice
Grammar content sourced from hanabira.org.