yí dìng yào
adv. must, have to
You can also
Simplified stroke orders are based on the 'Standard of National Commonly-used Mandarin Chinese Characters (现代汉语通用字笔顺规范)', issued by the China National Language and Character Working Committee (国家语言文字工作委员会) on April 7th 1997. Traditional stroke orders are based on information issued by the Taiwan Ministry of Education.
EXAMPLES
​。
​。
zhè xué qī wǒ yí dìng yào yòng gōng xué xí
phr. I must study hard this term.
​。
​。
yí dìng yào duì zì jí yǒu xìn xīn
phr. Definitely one has to be confident in himself.