in target shooting: a score made by hitting the center of the target;
\\\"in repeated sets of five shots his numbers of bull\\\'s-eyes varied\\\"
the center of a target
something that exactly succeeds in achieving its goal;
\\\"the new advertising campaign was a bell ringer\\\"
\\\"scored a bull\\\'s eye\\\"
\\\"hit the mark\\\"
\\\"the president\\\'s speech was a home run\\\"
造句
The bull\\\'s eye was marked with a large red circle. 靶心是用一個大紅圓環作標記的。