take some (或a bit of,a lot of) doing
用作动词的意思:相当(有点、十分)困难,费一番(一点、很大)周折
用法及例句:It took some doing to find you.找到你可真不容易。nt's going to take a lot of doing to finish this job on time.要准时完成这一工作,得费很大周折。
英汉词典参考:
take
some
bit
of
lot
doing