meaning for 一定 yīdìng:
- - surely
- - certainly
- - necessarily
- - fixed
- - a certain (extent etc)
- - given
- - particular
- - must
shuāyá刷牙
hòu后
yídìng一定
yào要
shùkǒu漱口
，
fǒuzé否则
yáchǐ牙齿
róngyì容易
biànhuáng变黄
。
Be sure to rinse your mouth after brushing, otherwise your teeth will turn yellow easily.
tā他
yídìng一定
shì是
gè个
hǎorén好人
。
He must be a good person.
wǒmen我们
yídìng一定
yào要
lǚxíng履行
dāying答应
。
We must fulfill our promise.
shāokāishuǐ烧开水
xūyào需要
yídìng一定
de的
shíjiān时间
。
Boiling water takes a certain amount of time.
dǎzhēn打针
shí时
yídìng一定
yào要
zhùyì注意
wèishēng卫生
hé和
ānquán安全
。
Be sure to pay attention to hygiene and safety when getting an injection.