adj. 1.不觉疼痛的，麻木的，无感觉的。 2.不能伤害的。 3.泰然自若的，无动于衷的。 n. -bility ,-ness n.,-bly adv.
Example Sentences:
1.
He was impassible before victory, before danger, before defeat . 他面对胜利、危险、失败均能处之泰然。
2.
The explorers were confronted with gorges almost impassible 探险者遇到了几乎是不可逾越的峡谷。
3.
Georgiana took out her handkerchief and blew her nose for an hour afterwards ; eliza sat cold , impassible , and assiduously industrious 乔治亚娜掏出手帕，擤了一小时鼻子，伊丽莎冷冷地坐着，无动于衷，顾自忙着自己的活儿。
4.
A wearer who exceeds this daily allotment is ejected from the material at the point of entry , ending up prone in front of the now impassible wall 超过每日使用距离的穿戴者将从该材料的进入处被弹出，仆倒在无法穿越的墙壁前。
