ReadWriteQuiz
Chinese dictionary
slbe at a loss as to the why and wherefore of; be hoodwinked by flattery
当他看到同伴们往上爬时，不知所以的就跟着往上爬。
When he saw his companions climb, he followed them without purpose.
当他看到同伴们往上爬时，不知所以的就跟着往上爬。
When he saw his companions climb, he followed them without purpose.