Translation guide
The English phrase 'pour in' describes causing a liquid or granular substance to flow into a container or space. In Japanese, the expression depends on what is being poured, the manner, and the context.
To cause a liquid to flow into something like a cup, pot, or mold.
The most common verb for pouring liquid into something. Used for water, tea, coffee, etc.
Pour water into a glass.
Please pour hot water into the teapot.
A general verb meaning 'put in'. Very common in casual speech for pouring drinks.
Pour coffee into a cup.
Often used for pouring drinks for someone else, like sake or tea. Implies serving.
Pour sake (for someone).
To pour solids like sand, sugar, or rice into a container.
To pour a liquid or molten substance into a mold to shape it.
To invest a lot of something abstract into an activity.
注ぐ (そそぐ) is the standard verb for pouring liquids. 入れる (いれる) is a casual, all-purpose 'put in' and is very common in daily speech. つぐ is used specifically for pouring drinks for others, like serving sake or tea.
注ぐ is only for liquids or granular substances. To say 'people poured into the stadium', use 詰めかける (つめかける) or 押し寄せる (おしよせる).
She poured milk into the batter.
Pour the concrete into the form.
Pour sugar into a jar.
Pour batter into a mold.
She pours her passion into her research.
Pour effort into education.