1、on the spot的意思是：立刻，当场；在危险中；处于负责地位。2、on the spot的英英释义是Adverb:without delay or immediately;"we hired her on the spot""thought they were going to shoot us down on the spot"in a difficult situation;"that question really put him on the spot"at the place in question; there;"they were on the spot when it happened""it had to be decided by the man on the spot"。3、on the spot的读音是英[ɒnðəspɒt]；美[ɑːnðəspɑːt]。