How to say “I've adjusted this office chair a hundred times and my back still hurts by four.” in Japanese
In Japanese
このオフィスチェア、もう百回は調節したのに、四時になると腰が痛くなるんだよ。
Kono ofisuchea, mō hyakkai wa chōsetsu shita noni, yoji ni naru to koshi ga itaku naru n da yo.