bì
我明天三点钟必到
Wǒ míng tiān sān diǎn zhōng bì dào.
I will definitely arrive at three o'clock tomorrow.
不战则已，战则必胜。
Bù zhàn zé yǐ, zhàn zé bì shèng.
If we don't fight, so be it; but if we fight, we must win.
事必躬亲
Shì bì gōng qīn.
To attend to everything personally; hands-on in all matters.