adv.无痛地;
例句:
This reversal of position was often accomplished pleasantly and painlessly.
这种职位的对调经常是和谐且无痛的.
It's better that they go quickly and painlessly.
还是让他们不要受到痛苦快快地死去比较好.
Nobody can bring us swiftly, painlessly into the promised land.
无人能够把我们迅速地 、 毫无痛苦地带进理想之园.