1.
family, household
A family unit living together or related by blood.
一家に一台は必要だ。
Every household needs one.
田中一家はとても仲がいい。
The Tanaka family gets along very well.
一家を支えるために働いている。
I'm working to support the family.
彼の一家は三世代で暮らしていて、おじいさんが一番元気だ。
His family lives together with three generations, and the grandfather is the most energetic.
父が病気になってから、母が一人で一家を支えるようになった。
After my father got sick, my mother started supporting the whole family by herself.
2.
whole family
All members of a family together.
一家で引っ越しをした。
The whole family moved.
一家全員で旅行に行きました。
The whole family went on a trip.
一家そろって食事をする。
The whole family eats together.
正月は一家で集まって、おせち料理を食べます。
At New Year's, the whole family gathers and eats osechi cuisine.
一家そろって夕食を食べるのは久しぶりで、みんなとても楽しそうだった。
It had been a long time since the whole family ate dinner together, and everyone looked very happy.
一家 refers to a family or household unit.
COMMON PATTERNS:
- 一家全員 (the whole family)
- 一家に一台 (one per household)
- 一家の主/大黒柱 (head of household/breadwinner)
RELATED WORDS:
- 家族: family (general term)
- 一家: family/household (as a unit)
- 世帯: household (administrative term)