tōng chàng通畅unobstructed and clear; coherent and fluentHSK 7+ · Frequency 3.4Meaningsunobstructed; clearcoherent; fluentExample sentences早高峰过后,道路交通变得通畅起来。多喝水能保持肠道通畅。思路通畅了,写作的速度也快了很多。