N2 — outside your level filter

Is said whole, with nothing composed onto it and takes no だ／です, so there are no forms to conjugate.

姿勢しせいを崩くずす

shiseiwokuzusuto let one's posture slipN2expression

Example sentences1

長時間ちょうじかん座すわり続つづけると、つい姿勢しせいを崩くずすものだ。

choujikan suwaritsuzukeru to, tsui shisei o kuzusu mono da.

If you sit for a long time, you inevitably end up letting your posture slip. neutral