[bì sè]
（堵塞） stop up; close up
with one's nose stuffed up
鼻孔闭塞
（交通不便） hard to get to; out-of-the-way; inaccessible
In the past this district was very hard to get to.
以前这一带交通闭塞。
（消息不灵通） unenlightened; out of touch
uninformed; ignorant
耳目闭塞
ill-informed
消息闭塞
[电] blocking; blockage; bottoming; emphraxis; occlusion; occlusio oblitelation; paralysis; rejection; seclusion