nǐ nǎlǐ bù shūfu?
What hurts you?
饭前还是饭后?
Before meals or after meals?
This is a choice question using 还是 (or) to present two options: 饭前 (before meals) and 饭后 (after meals). The structure is A还是B? to ask which one.
饭前还是饭后吃?
fàn qián háishi fàn hòu chī?
Take it before or after meals? — More colloquial, adds the verb 'eat'.
你想饭前还是饭后?
nǐ xiǎng fàn qián háishi fàn hòu?
Do you want it before or after meals? — More personal and informal.
我应该饭前还是饭后吃药?
Wǒ yīnggāi fàn qián háishi fàn hòu chī yào?
Should I take the medicine before or after meals?
饭前吃比较好。
Fàn qián chī bǐjiào hǎo.
It's better to take it before meals.
Appropriate
Avoid when
You say '饭前还是饭后?' (fàn qián háishi fàn hòu?).
It's pronounced 'fàn qián háishi fàn hòu?' with the tones: fàn (4th), qián (2nd), hái (2nd), shi (neutral), fàn (4th), hòu (4th).
Use it when you need to ask whether something should be done before or after a meal, especially regarding medication or food.
Tomyo
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