Japanese phrase
___を持ってきたほうがいいですか？ ___ o mo tte ki ta hō ga i i de su ka
Meaning
Should I bring ___?
When to use it
Asks whether bringing something is advisable. It is a polite way to check what item is useful in a particular situation, often when speaking to someone with more experience.
Example dialogue
明日の遠足ですが、お弁当を持ってきたほうがいいですか？ asu no en soku de su ga o ben tō o mo tte ki ta hō ga i i de su ka
For tomorrow's field trip, should I bring a lunch?
はい、あると便利です。 ha i a ru to ben ri de su
Yes, it will be useful to have one.