Kanji 筈 notch of an arrow, ought, must Related words 当とう 然ぜん 当然 is a more formal and objective statement of natural consequence, while そのはず is a colloquial phrase that often carries a nuance of 'I knew it' or 'that explains it'.
なるほど なるほど expresses understanding or agreement with new information, while そのはず asserts that the information was expected or is only natural.
Written forms その 筈はず
Kanji spelling using 筈 ; rarely used in modern writing.
其そ の 筈はず
rarely-used kanji form
Rare kanji spelling with 其の ; it is rarely used.
Etymology Combination of その (that) and はず (expectation, should be). The phrase literally means 'that should be the case' and developed into a fixed expression meaning 'no wonder' or 'as expected'.
Report an issue with this page
Copyright © 2026 Kotomora. All Rights Reserved.