妙 (miào): intelligent

He couldn't solve the problem after thinking for three days, but his sister figured it out in one sentence; everyone praised the solution as brilliant.

This small shop turned an old house into a bookstore, keeping its original appearance while making it very practical—a very clever design.

Mom chopped the vegetables and mixed them into the meat; the child ate with relish and didn't notice at all—what a clever trick.

He put the alarm clock in the living room so he has to get up to turn it off in the morning; that way he won't sleep in—a really clever idea.

The doctor used a thin tube to remove the foreign object from the patient's windpipe, causing little trauma and allowing quick recovery—this method is simply brilliant.