어

1. oh no; what; huh
An exclamation uttered when the speaker expresses his/her surprise, embarrassment, impatience, or urgency.

2. ah; mmm; ooh
An exclamation uttered when the speaker expresses his/her delight or excitement.

3. ah; argh
An exclamation uttered when the speaker expresses the feelings of worry, anxiety, regret, or lamentation.

4. hey
An exclamation uttered before the speaker begins his/her words when he/she talks to someone or attracts someone's attention.

5. oh; aha
An exclamation uttered when the speaker realizes something he/she did not know.

6. umm
An exclamation uttered when the speaker begins to talk in hesitation.