~とおり(に)/~どおり(に)
As; like
Structure
Vる/Vた+とおり(に)・Nのとおり(に)
Explanation
Expresses that an action or result happens exactly as said/seen/heard or demonstrated; emphasizes 'exactly so'.
Examples
1学生たちは、先生が黒板に書いたとおりにノートに写した。
The students copied into their notebooks exactly what the teacher had written on the blackboard.
2外国語だと、なかなか思ったとおりに話すことができない。
When speaking a foreign language, it's hard to express myself the way I want.
3父は、私たち家族が父の言うとおりにしないと、きげんが悪い。
My father gets in a bad mood when we don't do what he says.
~どおり
Exactly as (predicted/planned/expected)
Structure
想像/予想/計画/指示/命令/希望+どおり
Explanation
Used with nouns like prediction, plan, instruction, order, expectation to indicate the outcome occurred as expected.
Examples
1勉強がなかなか予定どおりに進まない。
My studying isn't progressing as planned.
2幼い弟は思いどおりにならないと大声で泣く。
My little brother cries loudly when things don't go his way.
~のとおり
As you have seen/know
Structure
ご覧/ご存じ/ご承知/お聞き+のとおり
Explanation
Formal expression often used in presentations: 'as you have seen/known/heard...'; common in polite speech and announcements.
Examples
1例のとおりに書きなさい。
Write it according to the example.
Note
1) Easy to confuse with the ordinary “as/in accordance with” (~ように/~まま).
→ ~とおり(に) emphasizes “exactly as” something said or seen.2) Note the combinatory forms.
→ Vる/Vた+とおり, Nの+とおり are basic forms often tested.3) Often appears with phrases like そのとおり, 予想どおり.
→ Means “just as expected/just as said”.