1, oily bachelor: refers to a wandering child.
2, holding a gun and holding a stick: describe speaking with thorns and involving others.
3, dance stick: describe waving a stick, high morale.
Kick your leg with a stick: it means to take advantage of the situation or take advantage of it.
5, holding a knife stick: holding a knife, gun, stick ready to fight. A Dream of Red Mansions by Cao Xueqin in Qing Dynasty.
6. Beating mandarin ducks: a metaphor for breaking up loving couples or lovers.
7. Head-on: Head-on. Metaphor gives people a serious warning or blow, and it is also straightforward and has no hint.