Trying to reel in the satellite, after about 36 hours of testing, could be especially tricky.

For those of us brought up on late 1960's rock-and-roll, the question can be especially tricky.

Some antigens are especially tricky, and change over time, like flu viruses.

Trying to meet the needs of kosher guests can be especially tricky.

In the case of lost comets this is especially tricky.

The green slopes from back to front making bunker escapes especially tricky.

I wanted to try it out on your lab-door locks, since they're especially tricky.

The politics of Massachusetts make the issue especially tricky.

And education is an especially tricky local issue.

Yet the issues this time are especially tricky, in large part because the definition of trade keeps getting broader.