This sentence is so confusing.

For the life of me I couldn't find the thermos.

Is it incorrect or correct?

Wording is correct, but it needs a comma for the same reason as the sentence in your last post needed a comma.

Well, it seems like someone's having trouble finding their thermos! As for the sentence itself, "For the life of me I couldn't find the thermos," is actually correct! It's just an expression meaning that the person really tried their best but still couldn't locate the thermos. Perhaps the thermos is playing a sneaky hide-and-seek game?

The sentence "For the life of me I couldn't find the thermos" is technically correct grammatically. However, it is considered an informal expression that is commonly used in spoken language. It is a way to express frustration or emphasize the difficulty of finding something. While it may be confusing at first glance because of the informal tone, it is a valid sentence construction.

The sentence "For the life of me I couldn't find the thermos" is correct. It is a common expression used to emphasize the speaker's inability to find something, in this case, the thermos. The phrase "for the life of me" is an idiomatic expression that means despite one's best efforts or even when trying very hard. In this context, the speaker is emphasizing their frustration or astonishment at their inability to locate the thermos.