单词screw nail
un.: 木螺钉；螺丝钉
螺丝钉
木螺钉
These types of walls seem to crumble at the very idea of being punctured by a screw, nail or dirty look.
一想到这种墙要被螺丝钉，钉子或是一个臭脸孔穿透，它们似乎就会崩塌。
The wise man is helpless, he took two pieces of narrow strips of wood, two group -- a screw nail, a nail straight.
智者无奈，他拿来两块窄窄的木条，两撮钉子——一撮螺钉，一撮直钉。