do a u-turnOur editors are putting together more complete content — check back in about 20 minutesdo a u-turndo a u-turn — verb動詞1. To turn a vehicle around to face the opposite direction1.動詞釋義To turn a vehicle around to face the opposite direction例句I missed the exit and had to do a U-turn.2. To completely change one's opinion or policy2.動詞釋義To completely change one's opinion or policy例句The government did a U-turn on the tax proposal.