<p>There were also no people on the entire route Annie notices and even says it. Also, Armin and co wanted Annie to come with them underground where they would subdue her. If Mikasa wasn't there she would have done it no problem because she knows she would beat Eren and Armin. She might know that titan shifters can't transform with no sunlight, as seen when even tried to turn into a titan in the well but couldn't. With Mikasa there, hand to hand combat is iffy for her but take away her trump card and add Eren? She wasn't having it and called their bluff and was able to see through the lie.</p>

CC BY-SA 4.0
2019-11-18T21:13:47.087Z
2019-11-18T21:13:47.087Z
xpert
<p>The answer is in chapter 31.</p>

<p><a href="https://i.sstatic.net/wtzH5.jpg" rel="noreferrer"><img src="https://i.sstatic.net/wtzH5.jpg" alt="Annie noticing Armin&#39;s look on her changed."></a></p>

<p>Annie noticed that Armin is not looking at her like before. Maybe she detected hints of fear on Armin's eyes, which means Armin knows that Annie is the Female Titan.</p>

CC BY-SA 3.0
2017-12-21T14:50:13.257Z
2017-12-21T14:50:13.257Z
絢瀬絵里
<p>When Armin approaches Annie in an alley to ask her to help Eren escape, Annie agrees but puts on her ring (with the blade). Armin later realizes that she knew from that moment that he was lying. How?</p>

<attack-on-titan>
How did Annie know Armin was lying?
# How did Annie know Armin was lying?
Posted by: username_0 on 2017-12-21
When Armin approaches Annie in an alley to ask her to help Eren escape, Annie agrees but puts on her ring (with the blade). Armin later realizes that she knew from that moment that he was lying. How?
**Tags:** attack-on-titan
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## 2 answers
### Answer by username_2 on 2017-12-21. Score: 7 | Accepted answer
The answer is in chapter 31.

[![Annie noticing Armin's look on her changed.](https://i.sstatic.net/wtzH5.jpg)](https://i.sstatic.net/wtzH5.jpg)

Annie noticed that Armin is not looking at her like before. Maybe she detected hints of fear on Armin's eyes, which means Armin knows that Annie is the Female Titan.
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### Answer by username_1 on 2019-11-18. Score: 1
There were also no people on the entire route Annie notices and even says it. Also, Armin and co wanted Annie to come with them underground where they would subdue her. If Mikasa wasn't there she would have done it no problem because she knows she would beat Eren and Armin. She might know that titan shifters can't transform with no sunlight, as seen when even tried to turn into a titan in the well but couldn't. With Mikasa there, hand to hand combat is iffy for her but take away her trump card and add Eren? She wasn't having it and called their bluff and was able to see through the lie.
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