へこへこ

下敷(したじ)きをへこへこさせて音(おと)を出(だ)す。

Make a sound by pliably denting the underlay. {pliantly, pliably, ingratiatingly}

会社(かいしゃ)では偉(えら)い人(ひと)にへこへこしなければならない。

In the company, we must act ingratiatingly towards important people. {pliantly, pliably, ingratiatingly}

このへこへこの団扇(うちわ)はしなやかで、なかなか折(お)れません。

This pliant fan bends easily and does not break easily. {pliantly, pliably, ingratiatingly}

平和(へいわ)な部活(ぶかつ)生活(せいかつ)を送(おく)りたいのなら、ただ先輩(せんぱい)にへこへこするのみだ。

If you want to lead a peaceful club life, all you have to do is ingratiatingly cater to your seniors. {pliantly, pliably, ingratiatingly}

へこへことしなる丈夫(じょうぶ)なプラスチックの板(いた)がまさか割(わ)れてしまうとは…！

Who would have thought that a sturdy plastic board, which bends so pliantly, would actually end up breaking...! {pliantly, pliably, ingratiatingly}