To be in a situation that is too difficult to understand or deal with.
处于一种过于难以理解或应对的情况。 (Chǔyú yī zhǒng guòyú nán yǐ lǐjiě huò yìngduì de qíngkuàng.)
"I felt out of my depth in that technical discussion."
"在那次技术讨论中，我感到超出我的深度。" (Zài nà cì jìshù tǎolùn zhōng, wǒ gǎndào **chāochū wǒ de shēndù**.)
to improve by learning from past failures
to be good at talking or persuading people
to achieve a small success but fail in the larger goal
to make someone or something more lively or energetic
To pursue a mistaken or misguided course of action.
to not completely believe something
