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.
A general verb meaning 'put in'. Very common in casual speech for pouring drinks.
Often used for pouring drinks for someone else, like sake or tea. Implies serving.
To pour solids like sand, sugar, or rice into a container.
Also used for granular substances, though less common than for liquids.
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.
Please pour hot water into the teapot.
Pour coffee into a cup.
Pour sake (for someone).
Pour sand into a bucket.
General 'put in' works for solids too.
Pour sugar into a jar.
Specifically means 'pour into' with a sense of flowing into a confined space, like a mold.
Pour melted chocolate into a mold.
Can also be used for molds, but 流し込む is more precise.
Pour batter into a mold.
Means to pour (money, effort, passion) into something. Stronger than 注ぐ.
He poured all his fortune into the business.
She pours her passion into her research.
Also used figuratively, but 注ぎ込む emphasizes the act of pouring in.
Pour effort into education.
コンクリートを型枠に流し込む。
Pour the concrete into the form.