Pit (one's) wits against (someone or something) phrase
If someone "pits his/her wits against someone/something", he/she competes intellectually with someone/something in a test of knowledge or intelligence.
It is quite nerve-racking for him to pit his wits against an excellent representative from the USA in the World Chess Championship
In this gameshow, two teams will pit their wits against one another to find the one with more correct answers in a limited time.
He is pitting his wits against a 7-year genius in "The Brain Vietnam" show.
The verb "pit" should be conjugated according to its tense.
1. The phrase is used to talk about the earth that is broken up and flattened by a harrow.
2. If somebody is under the harrow, he or she is forced to experience distress, or torment.
1. About 1000 hectares of farmland have been under the harrow for 2 hours.
2. Many families are under the harrow because of the economic recession.