penetration
n[U]
1 (action or process of) penetrating 进入; 穿过; 充满; 看穿; 洞察; 领悟
our penetration of the enemy's defences 我军对敌人防线的突破.
2 ability to think and understandquickly and deeply 洞察力; 领悟力
the penetration of her mind/her powers of penetration 她的悟性.
No, we didn't fix anything. We thought we might go out, but we said we'd check with each other first. And now I'm telling you I can't manage this Friday. Another time, possibly, but not Friday.