1.   My father called us frequently from Tokyo to keep us abreast of the legal work, which sounded complicated to me.

2.   As car radios have evolved into control centers for more sophisticated audio systems in the last few years, they have become increasingly complicated to use.

3.   Because the data are complicated to process, so far the information has only been analyzed at a much coarser scale, the scientists said.

4.   But again, it is too complicated to work without an instructor.

5.   But the system was expensive and complicated to use, and judges were skeptical.

6.   Fine Cooking has extensive listings but few recipes online, and it is complicated to search.

7.   His techniques are complicated to the uninitiated.

8.   In the RSVP column, any that are too complicated to use in the magazine are forwarded, untested, to the requestee.

9.   Meantime, a detailed ratings plan like the one Markey and parent groups say they want is being scrapped in Canada as too complicated to use with ease.

10.   Member Zev Yaroslavsky said he thinks such a division would be too complicated to work out between now and the election.