に（は）及ばない (niwa-oyobanai): No need to; be no match for
～に（は）及ばない (niwa-oyobanai)
Meaning
No need to; be no match for
Formation and usage
V dictionary + には及ばない; N + には及ばない
Notation: N = noun; V dictionary = dictionary-form verb; V stem = the stem before ます; plain clause = plain-form clause; negative stem = the form before ない. Follow the attachment shown above.
Explanation
With an action it means unnecessary; with a comparison target it means not reaching that level.
Examples
会議が延期されても、心配するには及ばない。
There is no need to worry even if the meeting is postponed.
試験が延期されても、心配するには及ばない。
There is no need to worry even if the exam is postponed.
研修が延期されても、心配するには及ばない。
There is no need to worry even if the training session is postponed.
発表会が延期されても、心配するには及ばない。
There is no need to worry even if the presentation event is postponed.
面接が延期されても、心配するには及ばない。
There is no need to worry even if the interview is postponed.
How related patterns differ
に足る means worthy or sufficient; に難くない commonly makes something easy to imagine. には及ばない can mean unnecessary or no match for, while に耐える withstands a test. にのぼる reports a quantity reaching a substantial total.