Meaning: On the contrary
When to use it:
To correct someone or express the opposite idea.
Example:
Ich bin nicht müde – im Gegenteil, ich habe viel Energie.
(I’m not tired – on the contrary, I have a lot of energy.)
Confidence Tip:
Very strong phrase. Use it when you want to emphasize contrast.
im Gegenteil
Was soll das?
Meaning: What is this supposed to mean? / What’s that about?
When to use it:
When you’re confused or slightly annoyed.
Example:
Was soll das? Warum hast du das gemacht?
(What’s that about? Why did you do that?)
Confidence Tip:
Be careful with tone — this can sound strong.
Meaning: No idea / I have no idea
When to use it:
When you don’t know the answer to something. It’s informal and very common in spoken German.
Example sentence:
Wann kommt der Zug? Keine Ahnung.
(When is the train coming? No idea.)
Tip:
This is informal. More formal would be: Ich habe keine Ahnung.